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# This file @generated by `python3 buckifier/buckify_rocksdb.py`
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# --> DO NOT EDIT MANUALLY <--
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# This file is a Facebook-specific integration for buck builds, so can
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# only be validated by Facebook employees.
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#
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load("@fbcode_macros//build_defs:auto_headers.bzl", "AutoHeaders")
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load("@fbcode_macros//build_defs:cpp_library.bzl", "cpp_library")
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load(":defs.bzl", "test_binary")
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REPO_PATH = package_name() + "/"
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ROCKSDB_COMPILER_FLAGS = [
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"-fno-builtin-memcmp",
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# Needed to compile in fbcode
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"-Wno-expansion-to-defined",
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# Added missing flags from output of build_detect_platform
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"-Wnarrowing",
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"-DROCKSDB_NO_DYNAMIC_EXTENSION",
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]
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ROCKSDB_EXTERNAL_DEPS = [
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("bzip2", None, "bz2"),
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("snappy", None, "snappy"),
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("zlib", None, "z"),
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("gflags", None, "gflags"),
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("lz4", None, "lz4"),
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("zstd", None),
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("tbb", None),
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]
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ROCKSDB_OS_DEPS = [
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(
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"linux",
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["third-party//numa:numa", "third-party//liburing:uring"],
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),
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]
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ROCKSDB_OS_PREPROCESSOR_FLAGS = [
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(
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"linux",
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[
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"-DOS_LINUX",
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"-DROCKSDB_FALLOCATE_PRESENT",
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"-DROCKSDB_MALLOC_USABLE_SIZE",
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"-DROCKSDB_PTHREAD_ADAPTIVE_MUTEX",
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"-DROCKSDB_RANGESYNC_PRESENT",
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"-DROCKSDB_SCHED_GETCPU_PRESENT",
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"-DROCKSDB_IOURING_PRESENT",
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"-DHAVE_SSE42",
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"-DLIBURING",
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"-DNUMA",
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],
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),
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(
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"macos",
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["-DOS_MACOSX"],
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),
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]
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ROCKSDB_PREPROCESSOR_FLAGS = [
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"-DROCKSDB_PLATFORM_POSIX",
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"-DROCKSDB_LIB_IO_POSIX",
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"-DROCKSDB_SUPPORT_THREAD_LOCAL",
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# Flags to enable libs we include
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"-DSNAPPY",
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"-DZLIB",
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"-DBZIP2",
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"-DLZ4",
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"-DZSTD",
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"-DZSTD_STATIC_LINKING_ONLY",
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"-DGFLAGS=gflags",
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"-DTBB",
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# Added missing flags from output of build_detect_platform
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"-DROCKSDB_BACKTRACE",
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# Directories with files for #include
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"-I" + REPO_PATH + "include/",
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"-I" + REPO_PATH,
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"-I" + REPO_PATH + "third-party/gtest-1.10.0/fused-src/",
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]
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ROCKSDB_ARCH_PREPROCESSOR_FLAGS = {
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"x86_64": [
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"-DHAVE_PCLMUL",
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],
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}
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build_mode = read_config("fbcode", "build_mode")
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is_opt_mode = build_mode.startswith("opt")
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# -DNDEBUG is added by default in opt mode in fbcode. But adding it twice
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# doesn't harm and avoid forgetting to add it.
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ROCKSDB_COMPILER_FLAGS += (["-DNDEBUG"] if is_opt_mode else [])
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sanitizer = read_config("fbcode", "sanitizer")
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# Do not enable jemalloc if sanitizer presents. RocksDB will further detect
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# whether the binary is linked with jemalloc at runtime.
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ROCKSDB_OS_PREPROCESSOR_FLAGS += ([(
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"linux",
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["-DROCKSDB_JEMALLOC"],
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)] if sanitizer == "" else [])
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ROCKSDB_OS_DEPS += ([(
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"linux",
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["third-party//jemalloc:headers"],
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)] if sanitizer == "" else [])
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ROCKSDB_LIB_DEPS = [
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":rocksdb_lib",
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":rocksdb_test_lib",
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] if not is_opt_mode else [":rocksdb_lib"]
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cpp_library(
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name = "rocksdb_lib",
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srcs = [
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"cache/cache.cc",
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"cache/clock_cache.cc",
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"cache/lru_cache.cc",
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"cache/sharded_cache.cc",
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"db/arena_wrapped_db_iter.cc",
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"db/blob/blob_file_addition.cc",
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"db/blob/blob_file_garbage.cc",
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Add blob files to VersionStorageInfo/VersionBuilder (#6597)
Summary:
The patch adds a couple of classes to represent metadata about
blob files: `SharedBlobFileMetaData` contains the information elements
that are immutable (once the blob file is closed), e.g. blob file number,
total number and size of blob files, checksum method/value, while
`BlobFileMetaData` contains attributes that can vary across versions like
the amount of garbage in the file. There is a single `SharedBlobFileMetaData`
for each blob file, which is jointly owned by the `BlobFileMetaData` objects
that point to it; `BlobFileMetaData` objects, in turn, are owned by `Version`s
and can also be shared if the (immutable _and_ mutable) state of the blob file
is the same in two versions.
In addition, the patch adds the blob file metadata to `VersionStorageInfo`, and extends
`VersionBuilder` so that it can apply blob file related `VersionEdit`s (i.e. those
containing `BlobFileAddition`s and/or `BlobFileGarbage`), and save blob file metadata
to a new `VersionStorageInfo`. Consistency checks are also extended to ensure
that table files point to blob files that are part of the `Version`, and that all blob files
that are part of any given `Version` have at least some _non_-garbage data in them.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6597
Test Plan: `make check`
Reviewed By: riversand963
Differential Revision: D20656803
Pulled By: ltamasi
fbshipit-source-id: f1f74d135045b3b42d0146f03ee576ef0a4bfd80
5 years ago
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"db/blob/blob_file_meta.cc",
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"db/builder.cc",
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"db/c.cc",
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"db/column_family.cc",
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"db/compacted_db_impl.cc",
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"db/compaction/compaction.cc",
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"db/compaction/compaction_iterator.cc",
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"db/compaction/compaction_job.cc",
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"db/compaction/compaction_picker.cc",
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"db/compaction/compaction_picker_fifo.cc",
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"db/compaction/compaction_picker_level.cc",
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"db/compaction/compaction_picker_universal.cc",
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"db/convenience.cc",
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"db/db_filesnapshot.cc",
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"db/db_impl/db_impl.cc",
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"db/db_impl/db_impl_compaction_flush.cc",
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"db/db_impl/db_impl_debug.cc",
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"db/db_impl/db_impl_experimental.cc",
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"db/db_impl/db_impl_files.cc",
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"db/db_impl/db_impl_open.cc",
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"db/db_impl/db_impl_readonly.cc",
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"db/db_impl/db_impl_secondary.cc",
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"db/db_impl/db_impl_write.cc",
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"db/db_info_dumper.cc",
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"db/db_iter.cc",
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"db/dbformat.cc",
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"db/error_handler.cc",
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"db/event_helpers.cc",
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"db/experimental.cc",
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"db/external_sst_file_ingestion_job.cc",
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"db/file_indexer.cc",
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"db/flush_job.cc",
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"db/flush_scheduler.cc",
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"db/forward_iterator.cc",
|
Export Import sst files (#5495)
Summary:
Refresh of the earlier change here - https://github.com/facebook/rocksdb/issues/5135
This is a review request for code change needed for - https://github.com/facebook/rocksdb/issues/3469
"Add support for taking snapshot of a column family and creating column family from a given CF snapshot"
We have an implementation for this that we have been testing internally. We have two new APIs that together provide this functionality.
(1) ExportColumnFamily() - This API is modelled after CreateCheckpoint() as below.
// Exports all live SST files of a specified Column Family onto export_dir,
// returning SST files information in metadata.
// - SST files will be created as hard links when the directory specified
// is in the same partition as the db directory, copied otherwise.
// - export_dir should not already exist and will be created by this API.
// - Always triggers a flush.
virtual Status ExportColumnFamily(ColumnFamilyHandle* handle,
const std::string& export_dir,
ExportImportFilesMetaData** metadata);
Internally, the API will DisableFileDeletions(), GetColumnFamilyMetaData(), Parse through
metadata, creating links/copies of all the sst files, EnableFileDeletions() and complete the call by
returning the list of file metadata.
(2) CreateColumnFamilyWithImport() - This API is modeled after IngestExternalFile(), but invoked only during a CF creation as below.
// CreateColumnFamilyWithImport() will create a new column family with
// column_family_name and import external SST files specified in metadata into
// this column family.
// (1) External SST files can be created using SstFileWriter.
// (2) External SST files can be exported from a particular column family in
// an existing DB.
// Option in import_options specifies whether the external files are copied or
// moved (default is copy). When option specifies copy, managing files at
// external_file_path is caller's responsibility. When option specifies a
// move, the call ensures that the specified files at external_file_path are
// deleted on successful return and files are not modified on any error
// return.
// On error return, column family handle returned will be nullptr.
// ColumnFamily will be present on successful return and will not be present
// on error return. ColumnFamily may be present on any crash during this call.
virtual Status CreateColumnFamilyWithImport(
const ColumnFamilyOptions& options, const std::string& column_family_name,
const ImportColumnFamilyOptions& import_options,
const ExportImportFilesMetaData& metadata,
ColumnFamilyHandle** handle);
Internally, this API creates a new CF, parses all the sst files and adds it to the specified column family, at the same level and with same sequence number as in the metadata. Also performs safety checks with respect to overlaps between the sst files being imported.
If incoming sequence number is higher than current local sequence number, local sequence
number is updated to reflect this.
Note, as the sst files is are being moved across Column Families, Column Family name in sst file
will no longer match the actual column family on destination DB. The API does not modify Column
Family name or id in the sst files being imported.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5495
Differential Revision: D16018881
fbshipit-source-id: 9ae2251025d5916d35a9fc4ea4d6707f6be16ff9
6 years ago
|
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|
"db/import_column_family_job.cc",
|
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|
"db/internal_stats.cc",
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"db/log_reader.cc",
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"db/log_writer.cc",
|
Skip deleted WALs during recovery
Summary:
This patch record min log number to keep to the manifest while flushing SST files to ignore them and any WAL older than them during recovery. This is to avoid scenarios when we have a gap between the WAL files are fed to the recovery procedure. The gap could happen by for example out-of-order WAL deletion. Such gap could cause problems in 2PC recovery where the prepared and commit entry are placed into two separate WAL and gap in the WALs could result into not processing the WAL with the commit entry and hence breaking the 2PC recovery logic.
Before the commit, for 2PC case, we determined which log number to keep in FindObsoleteFiles(). We looked at the earliest logs with outstanding prepare entries, or prepare entries whose respective commit or abort are in memtable. With the commit, the same calculation is done while we apply the SST flush. Just before installing the flush file, we precompute the earliest log file to keep after the flush finishes using the same logic (but skipping the memtables just flushed), record this information to the manifest entry for this new flushed SST file. This pre-computed value is also remembered in memory, and will later be used to determine whether a log file can be deleted. This value is unlikely to change until next flush because the commit entry will stay in memtable. (In WritePrepared, we could have removed the older log files as soon as all prepared entries are committed. It's not yet done anyway. Even if we do it, the only thing we loss with this new approach is earlier log deletion between two flushes, which does not guarantee to happen anyway because the obsolete file clean-up function is only executed after flush or compaction)
This min log number to keep is stored in the manifest using the safely-ignore customized field of AddFile entry, in order to guarantee that the DB generated using newer release can be opened by previous releases no older than 4.2.
Closes https://github.com/facebook/rocksdb/pull/3765
Differential Revision: D7747618
Pulled By: siying
fbshipit-source-id: d00c92105b4f83852e9754a1b70d6b64cb590729
7 years ago
|
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"db/logs_with_prep_tracker.cc",
|
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"db/malloc_stats.cc",
|
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"db/memtable.cc",
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"db/memtable_list.cc",
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"db/merge_helper.cc",
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"db/merge_operator.cc",
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"db/range_del_aggregator.cc",
|
Use only "local" range tombstones during Get (#4449)
Summary:
Previously, range tombstones were accumulated from every level, which
was necessary if a range tombstone in a higher level covered a key in a lower
level. However, RangeDelAggregator::AddTombstones's complexity is based on
the number of tombstones that are currently stored in it, which is wasteful in
the Get case, where we only need to know the highest sequence number of range
tombstones that cover the key from higher levels, and compute the highest covering
sequence number at the current level. This change introduces this optimization, and
removes the use of RangeDelAggregator from the Get path.
In the benchmark results, the following command was used to initialize the database:
```
./db_bench -db=/dev/shm/5k-rts -use_existing_db=false -benchmarks=filluniquerandom -write_buffer_size=1048576 -compression_type=lz4 -target_file_size_base=1048576 -max_bytes_for_level_base=4194304 -value_size=112 -key_size=16 -block_size=4096 -level_compaction_dynamic_level_bytes=true -num=5000000 -max_background_jobs=12 -benchmark_write_rate_limit=20971520 -range_tombstone_width=100 -writes_per_range_tombstone=100 -max_num_range_tombstones=50000 -bloom_bits=8
```
...and the following command was used to measure read throughput:
```
./db_bench -db=/dev/shm/5k-rts/ -use_existing_db=true -benchmarks=readrandom -disable_auto_compactions=true -num=5000000 -reads=100000 -threads=32
```
The filluniquerandom command was only run once, and the resulting database was used
to measure read performance before and after the PR. Both binaries were compiled with
`DEBUG_LEVEL=0`.
Readrandom results before PR:
```
readrandom : 4.544 micros/op 220090 ops/sec; 16.9 MB/s (63103 of 100000 found)
```
Readrandom results after PR:
```
readrandom : 11.147 micros/op 89707 ops/sec; 6.9 MB/s (63103 of 100000 found)
```
So it's actually slower right now, but this PR paves the way for future optimizations (see #4493).
----
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4449
Differential Revision: D10370575
Pulled By: abhimadan
fbshipit-source-id: 9a2e152be1ef36969055c0e9eb4beb0d96c11f4d
6 years ago
|
|
|
"db/range_tombstone_fragmenter.cc",
|
|
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|
|
"db/repair.cc",
|
|
|
|
|
"db/snapshot_impl.cc",
|
|
|
|
|
"db/table_cache.cc",
|
|
|
|
|
"db/table_properties_collector.cc",
|
|
|
|
|
"db/transaction_log_impl.cc",
|
Refactor trimming logic for immutable memtables (#5022)
Summary:
MyRocks currently sets `max_write_buffer_number_to_maintain` in order to maintain enough history for transaction conflict checking. The effectiveness of this approach depends on the size of memtables. When memtables are small, it may not keep enough history; when memtables are large, this may consume too much memory.
We are proposing a new way to configure memtable list history: by limiting the memory usage of immutable memtables. The new option is `max_write_buffer_size_to_maintain` and it will take precedence over the old `max_write_buffer_number_to_maintain` if they are both set to non-zero values. The new option accounts for the total memory usage of flushed immutable memtables and mutable memtable. When the total usage exceeds the limit, RocksDB may start dropping immutable memtables (which is also called trimming history), starting from the oldest one.
The semantics of the old option actually works both as an upper bound and lower bound. History trimming will start if number of immutable memtables exceeds the limit, but it will never go below (limit-1) due to history trimming.
In order the mimic the behavior with the new option, history trimming will stop if dropping the next immutable memtable causes the total memory usage go below the size limit. For example, assuming the size limit is set to 64MB, and there are 3 immutable memtables with sizes of 20, 30, 30. Although the total memory usage is 80MB > 64MB, dropping the oldest memtable will reduce the memory usage to 60MB < 64MB, so in this case no memtable will be dropped.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5022
Differential Revision: D14394062
Pulled By: miasantreble
fbshipit-source-id: 60457a509c6af89d0993f988c9b5c2aa9e45f5c5
5 years ago
|
|
|
"db/trim_history_scheduler.cc",
|
|
|
|
|
"db/version_builder.cc",
|
|
|
|
|
"db/version_edit.cc",
|
|
|
|
|
"db/version_edit_handler.cc",
|
|
|
|
|
"db/version_set.cc",
|
|
|
|
|
"db/wal_manager.cc",
|
|
|
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|
"db/write_batch.cc",
|
|
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|
|
"db/write_batch_base.cc",
|
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|
"db/write_controller.cc",
|
|
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|
"db/write_thread.cc",
|
|
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|
"env/env.cc",
|
|
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|
"env/env_chroot.cc",
|
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|
"env/env_encryption.cc",
|
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|
"env/env_hdfs.cc",
|
|
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|
"env/env_posix.cc",
|
Introduce a new storage specific Env API (#5761)
Summary:
The current Env API encompasses both storage/file operations, as well as OS related operations. Most of the APIs return a Status, which does not have enough metadata about an error, such as whether its retry-able or not, scope (i.e fault domain) of the error etc., that may be required in order to properly handle a storage error. The file APIs also do not provide enough control over the IO SLA, such as timeout, prioritization, hinting about placement and redundancy etc.
This PR separates out the file/storage APIs from Env into a new FileSystem class. The APIs are updated to return an IOStatus with metadata about the error, as well as to take an IOOptions structure as input in order to allow more control over the IO.
The user can set both ```options.env``` and ```options.file_system``` to specify that RocksDB should use the former for OS related operations and the latter for storage operations. Internally, a ```CompositeEnvWrapper``` has been introduced that inherits from ```Env``` and redirects individual methods to either an ```Env``` implementation or the ```FileSystem``` as appropriate. When options are sanitized during ```DB::Open```, ```options.env``` is replaced with a newly allocated ```CompositeEnvWrapper``` instance if both env and file_system have been specified. This way, the rest of the RocksDB code can continue to function as before.
This PR also ports PosixEnv to the new API by splitting it into two - PosixEnv and PosixFileSystem. PosixEnv is defined as a sub-class of CompositeEnvWrapper, and threading/time functions are overridden with Posix specific implementations in order to avoid an extra level of indirection.
The ```CompositeEnvWrapper``` translates ```IOStatus``` return code to ```Status```, and sets the severity to ```kSoftError``` if the io_status is retryable. The error handling code in RocksDB can then recover the DB automatically.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5761
Differential Revision: D18868376
Pulled By: anand1976
fbshipit-source-id: 39efe18a162ea746fabac6360ff529baba48486f
5 years ago
|
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"env/file_system.cc",
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"env/fs_posix.cc",
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"env/io_posix.cc",
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"env/mock_env.cc",
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"file/delete_scheduler.cc",
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"file/file_prefetch_buffer.cc",
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"file/file_util.cc",
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"file/filename.cc",
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"file/random_access_file_reader.cc",
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"file/read_write_util.cc",
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"file/readahead_raf.cc",
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"file/sequence_file_reader.cc",
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"file/sst_file_manager_impl.cc",
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"file/writable_file_writer.cc",
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"logging/auto_roll_logger.cc",
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"logging/event_logger.cc",
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"logging/log_buffer.cc",
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"memory/arena.cc",
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"memory/concurrent_arena.cc",
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"memory/jemalloc_nodump_allocator.cc",
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"memory/memkind_kmem_allocator.cc",
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"memtable/alloc_tracker.cc",
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"memtable/hash_linklist_rep.cc",
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"memtable/hash_skiplist_rep.cc",
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"memtable/skiplistrep.cc",
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"memtable/vectorrep.cc",
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"memtable/write_buffer_manager.cc",
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"monitoring/histogram.cc",
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"monitoring/histogram_windowing.cc",
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"monitoring/in_memory_stats_history.cc",
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"monitoring/instrumented_mutex.cc",
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"monitoring/iostats_context.cc",
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"monitoring/perf_context.cc",
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"monitoring/perf_level.cc",
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"monitoring/persistent_stats_history.cc",
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"monitoring/statistics.cc",
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"monitoring/thread_status_impl.cc",
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"monitoring/thread_status_updater.cc",
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"monitoring/thread_status_updater_debug.cc",
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"monitoring/thread_status_util.cc",
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"monitoring/thread_status_util_debug.cc",
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"options/cf_options.cc",
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"options/db_options.cc",
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"options/options.cc",
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"options/options_helper.cc",
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"options/options_parser.cc",
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"port/port_posix.cc",
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"port/stack_trace.cc",
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"table/adaptive/adaptive_table_factory.cc",
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"table/block_based/binary_search_index_reader.cc",
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"table/block_based/block.cc",
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"table/block_based/block_based_filter_block.cc",
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"table/block_based/block_based_table_builder.cc",
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"table/block_based/block_based_table_factory.cc",
|
De-template block based table iterator (#6531)
Summary:
Right now block based table iterator is used as both of iterating data for block based table, and for the index iterator for partitioend index. This was initially convenient for introducing a new iterator and block type for new index format, while reducing code change. However, these two usage doesn't go with each other very well. For example, Prev() is never called for partitioned index iterator, and some other complexity is maintained in block based iterators, which is not needed for index iterator but maintainers will always need to reason about it. Furthermore, the template usage is not following Google C++ Style which we are following, and makes a large chunk of code tangled together. This commit separate the two iterators. Right now, here is what it is done:
1. Copy the block based iterator code into partitioned index iterator, and de-template them.
2. Remove some code not needed for partitioned index. The upper bound check and tricks are removed. We never tested performance for those tricks when partitioned index is enabled in the first place. It's unlikelyl to generate performance regression, as creating new partitioned index block is much rarer than data blocks.
3. Separate out the prefetch logic to a helper class and both classes call them.
This commit will enable future follow-ups. One direction is that we might separate index iterator interface for data blocks and index blocks, as they are quite different.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6531
Test Plan: build using make and cmake. And build release
Differential Revision: D20473108
fbshipit-source-id: e48011783b339a4257c204cc07507b171b834b0f
5 years ago
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"table/block_based/block_based_table_iterator.cc",
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"table/block_based/block_based_table_reader.cc",
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"table/block_based/block_builder.cc",
|
De-template block based table iterator (#6531)
Summary:
Right now block based table iterator is used as both of iterating data for block based table, and for the index iterator for partitioend index. This was initially convenient for introducing a new iterator and block type for new index format, while reducing code change. However, these two usage doesn't go with each other very well. For example, Prev() is never called for partitioned index iterator, and some other complexity is maintained in block based iterators, which is not needed for index iterator but maintainers will always need to reason about it. Furthermore, the template usage is not following Google C++ Style which we are following, and makes a large chunk of code tangled together. This commit separate the two iterators. Right now, here is what it is done:
1. Copy the block based iterator code into partitioned index iterator, and de-template them.
2. Remove some code not needed for partitioned index. The upper bound check and tricks are removed. We never tested performance for those tricks when partitioned index is enabled in the first place. It's unlikelyl to generate performance regression, as creating new partitioned index block is much rarer than data blocks.
3. Separate out the prefetch logic to a helper class and both classes call them.
This commit will enable future follow-ups. One direction is that we might separate index iterator interface for data blocks and index blocks, as they are quite different.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6531
Test Plan: build using make and cmake. And build release
Differential Revision: D20473108
fbshipit-source-id: e48011783b339a4257c204cc07507b171b834b0f
5 years ago
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"table/block_based/block_prefetcher.cc",
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"table/block_based/block_prefix_index.cc",
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"table/block_based/data_block_footer.cc",
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"table/block_based/data_block_hash_index.cc",
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Move the filter readers out of the block cache (#5504)
Summary:
Currently, when the block cache is used for the filter block, it is not
really the block itself that is stored in the cache but a FilterBlockReader
object. Since this object is not pure data (it has, for instance, pointers that
might dangle, including in one case a back pointer to the TableReader), it's not
really sharable. To avoid the issues around this, the current code erases the
cache entries when the TableReader is closed (which, BTW, is not sufficient
since a concurrent TableReader might have picked up the object in the meantime).
Instead of doing this, the patch moves the FilterBlockReader out of the cache
altogether, and decouples the filter reader object from the filter block.
In particular, instead of the TableReader owning, or caching/pinning the
FilterBlockReader (based on the customer's settings), with the change the
TableReader unconditionally owns the FilterBlockReader, which in turn
owns/caches/pins the filter block. This change also enables us to reuse the code
paths historically used for data blocks for filters as well.
Note:
Eviction statistics for filter blocks are temporarily broken. We plan to fix this in a
separate phase.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5504
Test Plan: make asan_check
Differential Revision: D16036974
Pulled By: ltamasi
fbshipit-source-id: 770f543c5fb4ed126fd1e04bfd3809cf4ff9c091
6 years ago
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"table/block_based/filter_block_reader_common.cc",
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"table/block_based/filter_policy.cc",
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"table/block_based/flush_block_policy.cc",
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"table/block_based/full_filter_block.cc",
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"table/block_based/hash_index_reader.cc",
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"table/block_based/index_builder.cc",
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"table/block_based/index_reader_common.cc",
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"table/block_based/parsed_full_filter_block.cc",
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"table/block_based/partitioned_filter_block.cc",
|
De-template block based table iterator (#6531)
Summary:
Right now block based table iterator is used as both of iterating data for block based table, and for the index iterator for partitioend index. This was initially convenient for introducing a new iterator and block type for new index format, while reducing code change. However, these two usage doesn't go with each other very well. For example, Prev() is never called for partitioned index iterator, and some other complexity is maintained in block based iterators, which is not needed for index iterator but maintainers will always need to reason about it. Furthermore, the template usage is not following Google C++ Style which we are following, and makes a large chunk of code tangled together. This commit separate the two iterators. Right now, here is what it is done:
1. Copy the block based iterator code into partitioned index iterator, and de-template them.
2. Remove some code not needed for partitioned index. The upper bound check and tricks are removed. We never tested performance for those tricks when partitioned index is enabled in the first place. It's unlikelyl to generate performance regression, as creating new partitioned index block is much rarer than data blocks.
3. Separate out the prefetch logic to a helper class and both classes call them.
This commit will enable future follow-ups. One direction is that we might separate index iterator interface for data blocks and index blocks, as they are quite different.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6531
Test Plan: build using make and cmake. And build release
Differential Revision: D20473108
fbshipit-source-id: e48011783b339a4257c204cc07507b171b834b0f
5 years ago
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"table/block_based/partitioned_index_iterator.cc",
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"table/block_based/partitioned_index_reader.cc",
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"table/block_based/reader_common.cc",
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"table/block_based/uncompression_dict_reader.cc",
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"table/block_fetcher.cc",
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"table/cuckoo/cuckoo_table_builder.cc",
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"table/cuckoo/cuckoo_table_factory.cc",
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"table/cuckoo/cuckoo_table_reader.cc",
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"table/format.cc",
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"table/get_context.cc",
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"table/iterator.cc",
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"table/merging_iterator.cc",
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"table/meta_blocks.cc",
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"table/persistent_cache_helper.cc",
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"table/plain/plain_table_bloom.cc",
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"table/plain/plain_table_builder.cc",
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"table/plain/plain_table_factory.cc",
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"table/plain/plain_table_index.cc",
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"table/plain/plain_table_key_coding.cc",
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"table/plain/plain_table_reader.cc",
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"table/sst_file_reader.cc",
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"table/sst_file_writer.cc",
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"table/table_properties.cc",
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"table/two_level_iterator.cc",
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"test_util/sync_point.cc",
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"test_util/sync_point_impl.cc",
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"test_util/transaction_test_util.cc",
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"tools/dump/db_dump_tool.cc",
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"tools/ldb_cmd.cc",
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"tools/ldb_tool.cc",
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"tools/sst_dump_tool.cc",
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"trace_replay/block_cache_tracer.cc",
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"trace_replay/trace_replay.cc",
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"util/build_version.cc",
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"util/coding.cc",
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"util/compaction_job_stats_impl.cc",
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"util/comparator.cc",
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"util/compression_context_cache.cc",
|
Concurrent task limiter for compaction thread control (#4332)
Summary:
The PR is targeting to resolve the issue of:
https://github.com/facebook/rocksdb/issues/3972#issue-330771918
We have a rocksdb created with leveled-compaction with multiple column families (CFs), some of CFs are using HDD to store big and less frequently accessed data and others are using SSD.
When there are continuously write traffics going on to all CFs, the compaction thread pool is mostly occupied by those slow HDD compactions, which blocks fully utilize SSD bandwidth.
Since atomic write and transaction is needed across CFs, so splitting it to multiple rocksdb instance is not an option for us.
With the compaction thread control, we got 30%+ HDD write throughput gain, and also a lot smooth SSD write since less write stall happening.
ConcurrentTaskLimiter can be shared with multi-CFs across rocksdb instances, so the feature does not only work for multi-CFs scenarios, but also for multi-rocksdbs scenarios, who need disk IO resource control per tenant.
The usage is straight forward:
e.g.:
//
// Enable compaction thread limiter thru ColumnFamilyOptions
//
std::shared_ptr<ConcurrentTaskLimiter> ctl(NewConcurrentTaskLimiter("foo_limiter", 4));
Options options;
ColumnFamilyOptions cf_opt(options);
cf_opt.compaction_thread_limiter = ctl;
...
//
// Compaction thread limiter can be tuned or disabled on-the-fly
//
ctl->SetMaxOutstandingTask(12); // enlarge to 12 tasks
...
ctl->ResetMaxOutstandingTask(); // disable (bypass) thread limiter
ctl->SetMaxOutstandingTask(-1); // Same as above
...
ctl->SetMaxOutstandingTask(0); // full throttle (0 task)
//
// Sharing compaction thread limiter among CFs (to resolve multiple storage perf issue)
//
std::shared_ptr<ConcurrentTaskLimiter> ctl_ssd(NewConcurrentTaskLimiter("ssd_limiter", 8));
std::shared_ptr<ConcurrentTaskLimiter> ctl_hdd(NewConcurrentTaskLimiter("hdd_limiter", 4));
Options options;
ColumnFamilyOptions cf_opt_ssd1(options);
ColumnFamilyOptions cf_opt_ssd2(options);
ColumnFamilyOptions cf_opt_hdd1(options);
ColumnFamilyOptions cf_opt_hdd2(options);
ColumnFamilyOptions cf_opt_hdd3(options);
// SSD CFs
cf_opt_ssd1.compaction_thread_limiter = ctl_ssd;
cf_opt_ssd2.compaction_thread_limiter = ctl_ssd;
// HDD CFs
cf_opt_hdd1.compaction_thread_limiter = ctl_hdd;
cf_opt_hdd2.compaction_thread_limiter = ctl_hdd;
cf_opt_hdd3.compaction_thread_limiter = ctl_hdd;
...
//
// The limiter is disabled by default (or set to nullptr explicitly)
//
Options options;
ColumnFamilyOptions cf_opt(options);
cf_opt.compaction_thread_limiter = nullptr;
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4332
Differential Revision: D13226590
Pulled By: siying
fbshipit-source-id: 14307aec55b8bd59c8223d04aa6db3c03d1b0c1d
6 years ago
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"util/concurrent_task_limiter_impl.cc",
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"util/crc32c.cc",
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"util/dynamic_bloom.cc",
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"util/file_checksum_helper.cc",
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"util/hash.cc",
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"util/murmurhash.cc",
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"util/random.cc",
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"util/rate_limiter.cc",
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"util/slice.cc",
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"util/status.cc",
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"util/string_util.cc",
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"util/thread_local.cc",
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"util/threadpool_imp.cc",
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"util/xxhash.cc",
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"utilities/backupable/backupable_db.cc",
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"utilities/blob_db/blob_compaction_filter.cc",
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"utilities/blob_db/blob_db.cc",
|
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"utilities/blob_db/blob_db_impl.cc",
|
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"utilities/blob_db/blob_db_impl_filesnapshot.cc",
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"utilities/blob_db/blob_dump_tool.cc",
|
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"utilities/blob_db/blob_file.cc",
|
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"utilities/blob_db/blob_log_format.cc",
|
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"utilities/blob_db/blob_log_reader.cc",
|
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"utilities/blob_db/blob_log_writer.cc",
|
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"utilities/cassandra/cassandra_compaction_filter.cc",
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"utilities/cassandra/format.cc",
|
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"utilities/cassandra/merge_operator.cc",
|
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|
|
"utilities/checkpoint/checkpoint_impl.cc",
|
|
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|
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"utilities/compaction_filters/remove_emptyvalue_compactionfilter.cc",
|
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|
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"utilities/convenience/info_log_finder.cc",
|
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"utilities/debug.cc",
|
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|
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"utilities/env_mirror.cc",
|
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"utilities/env_timed.cc",
|
|
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|
"utilities/leveldb_options/leveldb_options.cc",
|
|
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|
|
"utilities/memory/memory_util.cc",
|
|
|
|
|
"utilities/merge_operators/bytesxor.cc",
|
|
|
|
|
"utilities/merge_operators/max.cc",
|
|
|
|
|
"utilities/merge_operators/put.cc",
|
New API to get all merge operands for a Key (#5604)
Summary:
This is a new API added to db.h to allow for fetching all merge operands associated with a Key. The main motivation for this API is to support use cases where doing a full online merge is not necessary as it is performance sensitive. Example use-cases:
1. Update subset of columns and read subset of columns -
Imagine a SQL Table, a row is encoded as a K/V pair (as it is done in MyRocks). If there are many columns and users only updated one of them, we can use merge operator to reduce write amplification. While users only read one or two columns in the read query, this feature can avoid a full merging of the whole row, and save some CPU.
2. Updating very few attributes in a value which is a JSON-like document -
Updating one attribute can be done efficiently using merge operator, while reading back one attribute can be done more efficiently if we don't need to do a full merge.
----------------------------------------------------------------------------------------------------
API :
Status GetMergeOperands(
const ReadOptions& options, ColumnFamilyHandle* column_family,
const Slice& key, PinnableSlice* merge_operands,
GetMergeOperandsOptions* get_merge_operands_options,
int* number_of_operands)
Example usage :
int size = 100;
int number_of_operands = 0;
std::vector<PinnableSlice> values(size);
GetMergeOperandsOptions merge_operands_info;
db_->GetMergeOperands(ReadOptions(), db_->DefaultColumnFamily(), "k1", values.data(), merge_operands_info, &number_of_operands);
Description :
Returns all the merge operands corresponding to the key. If the number of merge operands in DB is greater than merge_operands_options.expected_max_number_of_operands no merge operands are returned and status is Incomplete. Merge operands returned are in the order of insertion.
merge_operands-> Points to an array of at-least merge_operands_options.expected_max_number_of_operands and the caller is responsible for allocating it. If the status returned is Incomplete then number_of_operands will contain the total number of merge operands found in DB for key.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5604
Test Plan:
Added unit test and perf test in db_bench that can be run using the command:
./db_bench -benchmarks=getmergeoperands --merge_operator=sortlist
Differential Revision: D16657366
Pulled By: vjnadimpalli
fbshipit-source-id: 0faadd752351745224ee12d4ae9ef3cb529951bf
5 years ago
|
|
|
"utilities/merge_operators/sortlist.cc",
|
|
|
|
|
"utilities/merge_operators/string_append/stringappend.cc",
|
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|
|
|
"utilities/merge_operators/string_append/stringappend2.cc",
|
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|
|
"utilities/merge_operators/uint64add.cc",
|
|
|
|
|
"utilities/object_registry.cc",
|
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"utilities/option_change_migration/option_change_migration.cc",
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|
"utilities/options/options_util.cc",
|
|
|
|
|
"utilities/persistent_cache/block_cache_tier.cc",
|
|
|
|
|
"utilities/persistent_cache/block_cache_tier_file.cc",
|
|
|
|
|
"utilities/persistent_cache/block_cache_tier_metadata.cc",
|
|
|
|
|
"utilities/persistent_cache/persistent_cache_tier.cc",
|
|
|
|
|
"utilities/persistent_cache/volatile_tier_impl.cc",
|
|
|
|
|
"utilities/simulator_cache/cache_simulator.cc",
|
|
|
|
|
"utilities/simulator_cache/sim_cache.cc",
|
|
|
|
|
"utilities/table_properties_collectors/compact_on_deletion_collector.cc",
|
|
|
|
|
"utilities/trace/file_trace_reader_writer.cc",
|
|
|
|
|
"utilities/transactions/optimistic_transaction.cc",
|
|
|
|
|
"utilities/transactions/optimistic_transaction_db_impl.cc",
|
|
|
|
|
"utilities/transactions/pessimistic_transaction.cc",
|
|
|
|
|
"utilities/transactions/pessimistic_transaction_db.cc",
|
|
|
|
|
"utilities/transactions/snapshot_checker.cc",
|
|
|
|
|
"utilities/transactions/transaction_base.cc",
|
|
|
|
|
"utilities/transactions/transaction_db_mutex_impl.cc",
|
|
|
|
|
"utilities/transactions/transaction_lock_mgr.cc",
|
|
|
|
|
"utilities/transactions/transaction_util.cc",
|
|
|
|
|
"utilities/transactions/write_prepared_txn.cc",
|
|
|
|
|
"utilities/transactions/write_prepared_txn_db.cc",
|
|
|
|
|
"utilities/transactions/write_unprepared_txn.cc",
|
|
|
|
|
"utilities/transactions/write_unprepared_txn_db.cc",
|
|
|
|
|
"utilities/ttl/db_ttl_impl.cc",
|
|
|
|
|
"utilities/write_batch_with_index/write_batch_with_index.cc",
|
|
|
|
|
"utilities/write_batch_with_index/write_batch_with_index_internal.cc",
|
|
|
|
|
],
|
|
|
|
|
auto_headers = AutoHeaders.RECURSIVE_GLOB,
|
|
|
|
|
arch_preprocessor_flags = ROCKSDB_ARCH_PREPROCESSOR_FLAGS,
|
|
|
|
|
compiler_flags = ROCKSDB_COMPILER_FLAGS,
|
|
|
|
|
os_deps = ROCKSDB_OS_DEPS,
|
|
|
|
|
os_preprocessor_flags = ROCKSDB_OS_PREPROCESSOR_FLAGS,
|
|
|
|
|
preprocessor_flags = ROCKSDB_PREPROCESSOR_FLAGS,
|
|
|
|
|
deps = [],
|
|
|
|
|
external_deps = ROCKSDB_EXTERNAL_DEPS,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
cpp_library(
|
|
|
|
|
name = "rocksdb_test_lib",
|
|
|
|
|
srcs = [
|
|
|
|
|
"db/db_test_util.cc",
|
|
|
|
|
"table/mock_table.cc",
|
|
|
|
|
"test_util/fault_injection_test_env.cc",
|
|
|
|
|
"test_util/fault_injection_test_fs.cc",
|
|
|
|
|
"test_util/testharness.cc",
|
|
|
|
|
"test_util/testutil.cc",
|
Block cache simulator: Add pysim to simulate caches using reinforcement learning. (#5610)
Summary:
This PR implements cache eviction using reinforcement learning. It includes two implementations:
1. An implementation of Thompson Sampling for the Bernoulli Bandit [1].
2. An implementation of LinUCB with disjoint linear models [2].
The idea is that a cache uses multiple eviction policies, e.g., MRU, LRU, and LFU. The cache learns which eviction policy is the best and uses it upon a cache miss.
Thompson Sampling is contextless and does not include any features.
LinUCB includes features such as level, block type, caller, column family id to decide which eviction policy to use.
[1] Daniel J. Russo, Benjamin Van Roy, Abbas Kazerouni, Ian Osband, and Zheng Wen. 2018. A Tutorial on Thompson Sampling. Found. Trends Mach. Learn. 11, 1 (July 2018), 1-96. DOI: https://doi.org/10.1561/2200000070
[2] Lihong Li, Wei Chu, John Langford, and Robert E. Schapire. 2010. A contextual-bandit approach to personalized news article recommendation. In Proceedings of the 19th international conference on World wide web (WWW '10). ACM, New York, NY, USA, 661-670. DOI=http://dx.doi.org/10.1145/1772690.1772758
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5610
Differential Revision: D16435067
Pulled By: HaoyuHuang
fbshipit-source-id: 6549239ae14115c01cb1e70548af9e46d8dc21bb
6 years ago
|
|
|
"tools/block_cache_analyzer/block_cache_trace_analyzer.cc",
|
|
|
|
|
"tools/trace_analyzer_tool.cc",
|
|
|
|
|
"utilities/cassandra/test_utils.cc",
|
|
|
|
|
],
|
|
|
|
|
auto_headers = AutoHeaders.RECURSIVE_GLOB,
|
|
|
|
|
arch_preprocessor_flags = ROCKSDB_ARCH_PREPROCESSOR_FLAGS,
|
|
|
|
|
compiler_flags = ROCKSDB_COMPILER_FLAGS,
|
|
|
|
|
os_deps = ROCKSDB_OS_DEPS,
|
|
|
|
|
os_preprocessor_flags = ROCKSDB_OS_PREPROCESSOR_FLAGS,
|
|
|
|
|
preprocessor_flags = ROCKSDB_PREPROCESSOR_FLAGS,
|
|
|
|
|
deps = [
|
|
|
|
|
":rocksdb_lib",
|
|
|
|
|
":rocksdb_third_party_gtest",
|
|
|
|
|
],
|
|
|
|
|
external_deps = ROCKSDB_EXTERNAL_DEPS,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
cpp_library(
|
|
|
|
|
name = "rocksdb_tools_lib",
|
|
|
|
|
srcs = [
|
|
|
|
|
"test_util/testutil.cc",
|
Block cache simulator: Add pysim to simulate caches using reinforcement learning. (#5610)
Summary:
This PR implements cache eviction using reinforcement learning. It includes two implementations:
1. An implementation of Thompson Sampling for the Bernoulli Bandit [1].
2. An implementation of LinUCB with disjoint linear models [2].
The idea is that a cache uses multiple eviction policies, e.g., MRU, LRU, and LFU. The cache learns which eviction policy is the best and uses it upon a cache miss.
Thompson Sampling is contextless and does not include any features.
LinUCB includes features such as level, block type, caller, column family id to decide which eviction policy to use.
[1] Daniel J. Russo, Benjamin Van Roy, Abbas Kazerouni, Ian Osband, and Zheng Wen. 2018. A Tutorial on Thompson Sampling. Found. Trends Mach. Learn. 11, 1 (July 2018), 1-96. DOI: https://doi.org/10.1561/2200000070
[2] Lihong Li, Wei Chu, John Langford, and Robert E. Schapire. 2010. A contextual-bandit approach to personalized news article recommendation. In Proceedings of the 19th international conference on World wide web (WWW '10). ACM, New York, NY, USA, 661-670. DOI=http://dx.doi.org/10.1145/1772690.1772758
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5610
Differential Revision: D16435067
Pulled By: HaoyuHuang
fbshipit-source-id: 6549239ae14115c01cb1e70548af9e46d8dc21bb
6 years ago
|
|
|
"tools/block_cache_analyzer/block_cache_trace_analyzer.cc",
|
|
|
|
|
"tools/db_bench_tool.cc",
|
|
|
|
|
"tools/trace_analyzer_tool.cc",
|
|
|
|
|
],
|
|
|
|
|
auto_headers = AutoHeaders.RECURSIVE_GLOB,
|
|
|
|
|
arch_preprocessor_flags = ROCKSDB_ARCH_PREPROCESSOR_FLAGS,
|
|
|
|
|
compiler_flags = ROCKSDB_COMPILER_FLAGS,
|
|
|
|
|
os_deps = ROCKSDB_OS_DEPS,
|
|
|
|
|
os_preprocessor_flags = ROCKSDB_OS_PREPROCESSOR_FLAGS,
|
|
|
|
|
preprocessor_flags = ROCKSDB_PREPROCESSOR_FLAGS,
|
|
|
|
|
deps = [":rocksdb_lib"],
|
|
|
|
|
external_deps = ROCKSDB_EXTERNAL_DEPS,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
cpp_library(
|
|
|
|
|
name = "rocksdb_stress_lib",
|
|
|
|
|
srcs = [
|
|
|
|
|
"db_stress_tool/batched_ops_stress.cc",
|
|
|
|
|
"db_stress_tool/cf_consistency_stress.cc",
|
|
|
|
|
"db_stress_tool/db_stress_common.cc",
|
|
|
|
|
"db_stress_tool/db_stress_driver.cc",
|
|
|
|
|
"db_stress_tool/db_stress_gflags.cc",
|
|
|
|
|
"db_stress_tool/db_stress_shared_state.cc",
|
|
|
|
|
"db_stress_tool/db_stress_test_base.cc",
|
|
|
|
|
"db_stress_tool/db_stress_tool.cc",
|
|
|
|
|
"db_stress_tool/no_batched_ops_stress.cc",
|
|
|
|
|
"test_util/testutil.cc",
|
|
|
|
|
"tools/block_cache_analyzer/block_cache_trace_analyzer.cc",
|
|
|
|
|
"tools/trace_analyzer_tool.cc",
|
|
|
|
|
],
|
|
|
|
|
auto_headers = AutoHeaders.RECURSIVE_GLOB,
|
|
|
|
|
arch_preprocessor_flags = ROCKSDB_ARCH_PREPROCESSOR_FLAGS,
|
|
|
|
|
compiler_flags = ROCKSDB_COMPILER_FLAGS,
|
|
|
|
|
os_deps = ROCKSDB_OS_DEPS,
|
|
|
|
|
os_preprocessor_flags = ROCKSDB_OS_PREPROCESSOR_FLAGS,
|
|
|
|
|
preprocessor_flags = ROCKSDB_PREPROCESSOR_FLAGS,
|
|
|
|
|
deps = ROCKSDB_LIB_DEPS,
|
|
|
|
|
external_deps = ROCKSDB_EXTERNAL_DEPS,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
cpp_library(
|
|
|
|
|
name = "rocksdb_third_party_gtest",
|
|
|
|
|
srcs = ["third-party/gtest-1.10.0/fused-src/gtest/gtest-all.cc"],
|
|
|
|
|
headers = ["third-party/gtest-1.10.0/fused-src/gtest/gtest.h"],
|
|
|
|
|
arch_preprocessor_flags = ROCKSDB_ARCH_PREPROCESSOR_FLAGS,
|
|
|
|
|
compiler_flags = ROCKSDB_COMPILER_FLAGS,
|
|
|
|
|
os_deps = ROCKSDB_OS_DEPS,
|
|
|
|
|
os_preprocessor_flags = ROCKSDB_OS_PREPROCESSOR_FLAGS,
|
|
|
|
|
preprocessor_flags = ROCKSDB_PREPROCESSOR_FLAGS,
|
|
|
|
|
deps = [],
|
|
|
|
|
external_deps = ROCKSDB_EXTERNAL_DEPS,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
cpp_library(
|
|
|
|
|
name = "env_basic_test_lib",
|
|
|
|
|
srcs = ["env/env_basic_test.cc"],
|
|
|
|
|
auto_headers = AutoHeaders.RECURSIVE_GLOB,
|
|
|
|
|
arch_preprocessor_flags = ROCKSDB_ARCH_PREPROCESSOR_FLAGS,
|
|
|
|
|
compiler_flags = ROCKSDB_COMPILER_FLAGS,
|
|
|
|
|
os_deps = ROCKSDB_OS_DEPS,
|
|
|
|
|
os_preprocessor_flags = ROCKSDB_OS_PREPROCESSOR_FLAGS,
|
|
|
|
|
preprocessor_flags = ROCKSDB_PREPROCESSOR_FLAGS,
|
|
|
|
|
deps = [":rocksdb_test_lib"],
|
|
|
|
|
external_deps = ROCKSDB_EXTERNAL_DEPS,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# [test_name, test_src, test_type, extra_deps, extra_compiler_flags]
|
|
|
|
|
ROCKS_TESTS = [
|
|
|
|
|
[
|
|
|
|
|
"arena_test",
|
|
|
|
|
"memory/arena_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"auto_roll_logger_test",
|
|
|
|
|
"logging/auto_roll_logger_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"autovector_test",
|
|
|
|
|
"util/autovector_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"backupable_db_test",
|
|
|
|
|
"utilities/backupable/backupable_db_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"blob_db_test",
|
|
|
|
|
"utilities/blob_db/blob_db_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"blob_file_addition_test",
|
|
|
|
|
"db/blob/blob_file_addition_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"blob_file_garbage_test",
|
|
|
|
|
"db/blob/blob_file_garbage_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"block_based_filter_block_test",
|
|
|
|
|
"table/block_based/block_based_filter_block_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"block_based_table_reader_test",
|
|
|
|
|
"table/block_based/block_based_table_reader_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"block_cache_trace_analyzer_test",
|
Block cache simulator: Add pysim to simulate caches using reinforcement learning. (#5610)
Summary:
This PR implements cache eviction using reinforcement learning. It includes two implementations:
1. An implementation of Thompson Sampling for the Bernoulli Bandit [1].
2. An implementation of LinUCB with disjoint linear models [2].
The idea is that a cache uses multiple eviction policies, e.g., MRU, LRU, and LFU. The cache learns which eviction policy is the best and uses it upon a cache miss.
Thompson Sampling is contextless and does not include any features.
LinUCB includes features such as level, block type, caller, column family id to decide which eviction policy to use.
[1] Daniel J. Russo, Benjamin Van Roy, Abbas Kazerouni, Ian Osband, and Zheng Wen. 2018. A Tutorial on Thompson Sampling. Found. Trends Mach. Learn. 11, 1 (July 2018), 1-96. DOI: https://doi.org/10.1561/2200000070
[2] Lihong Li, Wei Chu, John Langford, and Robert E. Schapire. 2010. A contextual-bandit approach to personalized news article recommendation. In Proceedings of the 19th international conference on World wide web (WWW '10). ACM, New York, NY, USA, 661-670. DOI=http://dx.doi.org/10.1145/1772690.1772758
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5610
Differential Revision: D16435067
Pulled By: HaoyuHuang
fbshipit-source-id: 6549239ae14115c01cb1e70548af9e46d8dc21bb
6 years ago
|
|
|
"tools/block_cache_analyzer/block_cache_trace_analyzer_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"block_cache_tracer_test",
|
|
|
|
|
"trace_replay/block_cache_tracer_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"block_fetcher_test",
|
|
|
|
|
"table/block_fetcher_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"block_test",
|
|
|
|
|
"table/block_based/block_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"bloom_test",
|
|
|
|
|
"util/bloom_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"c_test",
|
|
|
|
|
"db/c_test.c",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cache_simulator_test",
|
|
|
|
|
"utilities/simulator_cache/cache_simulator_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cache_test",
|
|
|
|
|
"cache/cache_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cassandra_format_test",
|
|
|
|
|
"utilities/cassandra/cassandra_format_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cassandra_functional_test",
|
|
|
|
|
"utilities/cassandra/cassandra_functional_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cassandra_row_merge_test",
|
|
|
|
|
"utilities/cassandra/cassandra_row_merge_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cassandra_serialize_test",
|
|
|
|
|
"utilities/cassandra/cassandra_serialize_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"checkpoint_test",
|
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|
|
"utilities/checkpoint/checkpoint_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cleanable_test",
|
|
|
|
|
"table/cleanable_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"coding_test",
|
|
|
|
|
"util/coding_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"column_family_test",
|
|
|
|
|
"db/column_family_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"compact_files_test",
|
|
|
|
|
"db/compact_files_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"compact_on_deletion_collector_test",
|
|
|
|
|
"utilities/table_properties_collectors/compact_on_deletion_collector_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"compaction_iterator_test",
|
|
|
|
|
"db/compaction/compaction_iterator_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"compaction_job_stats_test",
|
|
|
|
|
"db/compaction/compaction_job_stats_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"compaction_job_test",
|
|
|
|
|
"db/compaction/compaction_job_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"compaction_picker_test",
|
|
|
|
|
"db/compaction/compaction_picker_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"comparator_db_test",
|
|
|
|
|
"db/comparator_db_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"corruption_test",
|
|
|
|
|
"db/corruption_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"crc32c_test",
|
|
|
|
|
"util/crc32c_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cuckoo_table_builder_test",
|
|
|
|
|
"table/cuckoo/cuckoo_table_builder_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cuckoo_table_db_test",
|
|
|
|
|
"db/cuckoo_table_db_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"cuckoo_table_reader_test",
|
|
|
|
|
"table/cuckoo/cuckoo_table_reader_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"data_block_hash_index_test",
|
|
|
|
|
"table/block_based/data_block_hash_index_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_basic_test",
|
|
|
|
|
"db/db_basic_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_blob_index_test",
|
|
|
|
|
"db/blob/db_blob_index_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_block_cache_test",
|
|
|
|
|
"db/db_block_cache_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_bloom_filter_test",
|
|
|
|
|
"db/db_bloom_filter_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_compaction_filter_test",
|
|
|
|
|
"db/db_compaction_filter_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_compaction_test",
|
|
|
|
|
"db/db_compaction_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_dynamic_level_test",
|
|
|
|
|
"db/db_dynamic_level_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_encryption_test",
|
|
|
|
|
"db/db_encryption_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_flush_test",
|
|
|
|
|
"db/db_flush_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_inplace_update_test",
|
|
|
|
|
"db/db_inplace_update_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_io_failure_test",
|
|
|
|
|
"db/db_io_failure_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_iter_stress_test",
|
|
|
|
|
"db/db_iter_stress_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
Change and clarify the relationship between Valid(), status() and Seek*() for all iterators. Also fix some bugs
Summary:
Before this PR, Iterator/InternalIterator may simultaneously have non-ok status() and Valid() = true. That state means that the last operation failed, but the iterator is nevertheless positioned on some unspecified record. Likely intended uses of that are:
* If some sst files are corrupted, a normal iterator can be used to read the data from files that are not corrupted.
* When using read_tier = kBlockCacheTier, read the data that's in block cache, skipping over the data that is not.
However, this behavior wasn't documented well (and until recently the wiki on github had misleading incorrect information). In the code there's a lot of confusion about the relationship between status() and Valid(), and about whether Seek()/SeekToLast()/etc reset the status or not. There were a number of bugs caused by this confusion, both inside rocksdb and in the code that uses rocksdb (including ours).
This PR changes the convention to:
* If status() is not ok, Valid() always returns false.
* Any seek operation resets status. (Before the PR, it depended on iterator type and on particular error.)
This does sacrifice the two use cases listed above, but siying said it's ok.
Overview of the changes:
* A commit that adds missing status checks in MergingIterator. This fixes a bug that actually affects us, and we need it fixed. `DBIteratorTest.NonBlockingIterationBugRepro` explains the scenario.
* Changes to lots of iterator types to make all of them conform to the new convention. Some bug fixes along the way. By far the biggest changes are in DBIter, which is a big messy piece of code; I tried to make it less big and messy but mostly failed.
* A stress-test for DBIter, to gain some confidence that I didn't break it. It does a few million random operations on the iterator, while occasionally modifying the underlying data (like ForwardIterator does) and occasionally returning non-ok status from internal iterator.
To find the iterator types that needed changes I searched for "public .*Iterator" in the code. Here's an overview of all 27 iterator types:
Iterators that didn't need changes:
* status() is always ok(), or Valid() is always false: MemTableIterator, ModelIter, TestIterator, KVIter (2 classes with this name anonymous namespaces), LoggingForwardVectorIterator, VectorIterator, MockTableIterator, EmptyIterator, EmptyInternalIterator.
* Thin wrappers that always pass through Valid() and status(): ArenaWrappedDBIter, TtlIterator, InternalIteratorFromIterator.
Iterators with changes (see inline comments for details):
* DBIter - an overhaul:
- It used to silently skip corrupted keys (`FindParseableKey()`), which seems dangerous. This PR makes it just stop immediately after encountering a corrupted key, just like it would for other kinds of corruption. Let me know if there was actually some deeper meaning in this behavior and I should put it back.
- It had a few code paths silently discarding subiterator's status. The stress test caught a few.
- The backwards iteration code path was expecting the internal iterator's set of keys to be immutable. It's probably always true in practice at the moment, since ForwardIterator doesn't support backwards iteration, but this PR fixes it anyway. See added DBIteratorTest.ReverseToForwardBug for an example.
- Some parts of backwards iteration code path even did things like `assert(iter_->Valid())` after a seek, which is never a safe assumption.
- It used to not reset status on seek for some types of errors.
- Some simplifications and better comments.
- Some things got more complicated from the added error handling. I'm open to ideas for how to make it nicer.
* MergingIterator - check status after every operation on every subiterator, and in some places assert that valid subiterators have ok status.
* ForwardIterator - changed to the new convention, also slightly simplified.
* ForwardLevelIterator - fixed some bugs and simplified.
* LevelIterator - simplified.
* TwoLevelIterator - changed to the new convention. Also fixed a bug that would make SeekForPrev() sometimes silently ignore errors from first_level_iter_.
* BlockBasedTableIterator - minor changes.
* BlockIter - replaced `SetStatus()` with `Invalidate()` to make sure non-ok BlockIter is always invalid.
* PlainTableIterator - some seeks used to not reset status.
* CuckooTableIterator - tiny code cleanup.
* ManagedIterator - fixed some bugs.
* BaseDeltaIterator - changed to the new convention and fixed a bug.
* BlobDBIterator - seeks used to not reset status.
* KeyConvertingIterator - some small change.
Closes https://github.com/facebook/rocksdb/pull/3810
Differential Revision: D7888019
Pulled By: al13n321
fbshipit-source-id: 4aaf6d3421c545d16722a815b2fa2e7912bc851d
7 years ago
|
|
|
[
|
|
|
|
|
"db_iter_test",
|
|
|
|
|
"db/db_iter_test.cc",
|
Change and clarify the relationship between Valid(), status() and Seek*() for all iterators. Also fix some bugs
Summary:
Before this PR, Iterator/InternalIterator may simultaneously have non-ok status() and Valid() = true. That state means that the last operation failed, but the iterator is nevertheless positioned on some unspecified record. Likely intended uses of that are:
* If some sst files are corrupted, a normal iterator can be used to read the data from files that are not corrupted.
* When using read_tier = kBlockCacheTier, read the data that's in block cache, skipping over the data that is not.
However, this behavior wasn't documented well (and until recently the wiki on github had misleading incorrect information). In the code there's a lot of confusion about the relationship between status() and Valid(), and about whether Seek()/SeekToLast()/etc reset the status or not. There were a number of bugs caused by this confusion, both inside rocksdb and in the code that uses rocksdb (including ours).
This PR changes the convention to:
* If status() is not ok, Valid() always returns false.
* Any seek operation resets status. (Before the PR, it depended on iterator type and on particular error.)
This does sacrifice the two use cases listed above, but siying said it's ok.
Overview of the changes:
* A commit that adds missing status checks in MergingIterator. This fixes a bug that actually affects us, and we need it fixed. `DBIteratorTest.NonBlockingIterationBugRepro` explains the scenario.
* Changes to lots of iterator types to make all of them conform to the new convention. Some bug fixes along the way. By far the biggest changes are in DBIter, which is a big messy piece of code; I tried to make it less big and messy but mostly failed.
* A stress-test for DBIter, to gain some confidence that I didn't break it. It does a few million random operations on the iterator, while occasionally modifying the underlying data (like ForwardIterator does) and occasionally returning non-ok status from internal iterator.
To find the iterator types that needed changes I searched for "public .*Iterator" in the code. Here's an overview of all 27 iterator types:
Iterators that didn't need changes:
* status() is always ok(), or Valid() is always false: MemTableIterator, ModelIter, TestIterator, KVIter (2 classes with this name anonymous namespaces), LoggingForwardVectorIterator, VectorIterator, MockTableIterator, EmptyIterator, EmptyInternalIterator.
* Thin wrappers that always pass through Valid() and status(): ArenaWrappedDBIter, TtlIterator, InternalIteratorFromIterator.
Iterators with changes (see inline comments for details):
* DBIter - an overhaul:
- It used to silently skip corrupted keys (`FindParseableKey()`), which seems dangerous. This PR makes it just stop immediately after encountering a corrupted key, just like it would for other kinds of corruption. Let me know if there was actually some deeper meaning in this behavior and I should put it back.
- It had a few code paths silently discarding subiterator's status. The stress test caught a few.
- The backwards iteration code path was expecting the internal iterator's set of keys to be immutable. It's probably always true in practice at the moment, since ForwardIterator doesn't support backwards iteration, but this PR fixes it anyway. See added DBIteratorTest.ReverseToForwardBug for an example.
- Some parts of backwards iteration code path even did things like `assert(iter_->Valid())` after a seek, which is never a safe assumption.
- It used to not reset status on seek for some types of errors.
- Some simplifications and better comments.
- Some things got more complicated from the added error handling. I'm open to ideas for how to make it nicer.
* MergingIterator - check status after every operation on every subiterator, and in some places assert that valid subiterators have ok status.
* ForwardIterator - changed to the new convention, also slightly simplified.
* ForwardLevelIterator - fixed some bugs and simplified.
* LevelIterator - simplified.
* TwoLevelIterator - changed to the new convention. Also fixed a bug that would make SeekForPrev() sometimes silently ignore errors from first_level_iter_.
* BlockBasedTableIterator - minor changes.
* BlockIter - replaced `SetStatus()` with `Invalidate()` to make sure non-ok BlockIter is always invalid.
* PlainTableIterator - some seeks used to not reset status.
* CuckooTableIterator - tiny code cleanup.
* ManagedIterator - fixed some bugs.
* BaseDeltaIterator - changed to the new convention and fixed a bug.
* BlobDBIterator - seeks used to not reset status.
* KeyConvertingIterator - some small change.
Closes https://github.com/facebook/rocksdb/pull/3810
Differential Revision: D7888019
Pulled By: al13n321
fbshipit-source-id: 4aaf6d3421c545d16722a815b2fa2e7912bc851d
7 years ago
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
Change and clarify the relationship between Valid(), status() and Seek*() for all iterators. Also fix some bugs
Summary:
Before this PR, Iterator/InternalIterator may simultaneously have non-ok status() and Valid() = true. That state means that the last operation failed, but the iterator is nevertheless positioned on some unspecified record. Likely intended uses of that are:
* If some sst files are corrupted, a normal iterator can be used to read the data from files that are not corrupted.
* When using read_tier = kBlockCacheTier, read the data that's in block cache, skipping over the data that is not.
However, this behavior wasn't documented well (and until recently the wiki on github had misleading incorrect information). In the code there's a lot of confusion about the relationship between status() and Valid(), and about whether Seek()/SeekToLast()/etc reset the status or not. There were a number of bugs caused by this confusion, both inside rocksdb and in the code that uses rocksdb (including ours).
This PR changes the convention to:
* If status() is not ok, Valid() always returns false.
* Any seek operation resets status. (Before the PR, it depended on iterator type and on particular error.)
This does sacrifice the two use cases listed above, but siying said it's ok.
Overview of the changes:
* A commit that adds missing status checks in MergingIterator. This fixes a bug that actually affects us, and we need it fixed. `DBIteratorTest.NonBlockingIterationBugRepro` explains the scenario.
* Changes to lots of iterator types to make all of them conform to the new convention. Some bug fixes along the way. By far the biggest changes are in DBIter, which is a big messy piece of code; I tried to make it less big and messy but mostly failed.
* A stress-test for DBIter, to gain some confidence that I didn't break it. It does a few million random operations on the iterator, while occasionally modifying the underlying data (like ForwardIterator does) and occasionally returning non-ok status from internal iterator.
To find the iterator types that needed changes I searched for "public .*Iterator" in the code. Here's an overview of all 27 iterator types:
Iterators that didn't need changes:
* status() is always ok(), or Valid() is always false: MemTableIterator, ModelIter, TestIterator, KVIter (2 classes with this name anonymous namespaces), LoggingForwardVectorIterator, VectorIterator, MockTableIterator, EmptyIterator, EmptyInternalIterator.
* Thin wrappers that always pass through Valid() and status(): ArenaWrappedDBIter, TtlIterator, InternalIteratorFromIterator.
Iterators with changes (see inline comments for details):
* DBIter - an overhaul:
- It used to silently skip corrupted keys (`FindParseableKey()`), which seems dangerous. This PR makes it just stop immediately after encountering a corrupted key, just like it would for other kinds of corruption. Let me know if there was actually some deeper meaning in this behavior and I should put it back.
- It had a few code paths silently discarding subiterator's status. The stress test caught a few.
- The backwards iteration code path was expecting the internal iterator's set of keys to be immutable. It's probably always true in practice at the moment, since ForwardIterator doesn't support backwards iteration, but this PR fixes it anyway. See added DBIteratorTest.ReverseToForwardBug for an example.
- Some parts of backwards iteration code path even did things like `assert(iter_->Valid())` after a seek, which is never a safe assumption.
- It used to not reset status on seek for some types of errors.
- Some simplifications and better comments.
- Some things got more complicated from the added error handling. I'm open to ideas for how to make it nicer.
* MergingIterator - check status after every operation on every subiterator, and in some places assert that valid subiterators have ok status.
* ForwardIterator - changed to the new convention, also slightly simplified.
* ForwardLevelIterator - fixed some bugs and simplified.
* LevelIterator - simplified.
* TwoLevelIterator - changed to the new convention. Also fixed a bug that would make SeekForPrev() sometimes silently ignore errors from first_level_iter_.
* BlockBasedTableIterator - minor changes.
* BlockIter - replaced `SetStatus()` with `Invalidate()` to make sure non-ok BlockIter is always invalid.
* PlainTableIterator - some seeks used to not reset status.
* CuckooTableIterator - tiny code cleanup.
* ManagedIterator - fixed some bugs.
* BaseDeltaIterator - changed to the new convention and fixed a bug.
* BlobDBIterator - seeks used to not reset status.
* KeyConvertingIterator - some small change.
Closes https://github.com/facebook/rocksdb/pull/3810
Differential Revision: D7888019
Pulled By: al13n321
fbshipit-source-id: 4aaf6d3421c545d16722a815b2fa2e7912bc851d
7 years ago
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_iterator_test",
|
|
|
|
|
"db/db_iterator_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_log_iter_test",
|
|
|
|
|
"db/db_log_iter_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_logical_block_size_cache_test",
|
|
|
|
|
"db/db_logical_block_size_cache_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_memtable_test",
|
|
|
|
|
"db/db_memtable_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_merge_operand_test",
|
|
|
|
|
"db/db_merge_operand_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
New API to get all merge operands for a Key (#5604)
Summary:
This is a new API added to db.h to allow for fetching all merge operands associated with a Key. The main motivation for this API is to support use cases where doing a full online merge is not necessary as it is performance sensitive. Example use-cases:
1. Update subset of columns and read subset of columns -
Imagine a SQL Table, a row is encoded as a K/V pair (as it is done in MyRocks). If there are many columns and users only updated one of them, we can use merge operator to reduce write amplification. While users only read one or two columns in the read query, this feature can avoid a full merging of the whole row, and save some CPU.
2. Updating very few attributes in a value which is a JSON-like document -
Updating one attribute can be done efficiently using merge operator, while reading back one attribute can be done more efficiently if we don't need to do a full merge.
----------------------------------------------------------------------------------------------------
API :
Status GetMergeOperands(
const ReadOptions& options, ColumnFamilyHandle* column_family,
const Slice& key, PinnableSlice* merge_operands,
GetMergeOperandsOptions* get_merge_operands_options,
int* number_of_operands)
Example usage :
int size = 100;
int number_of_operands = 0;
std::vector<PinnableSlice> values(size);
GetMergeOperandsOptions merge_operands_info;
db_->GetMergeOperands(ReadOptions(), db_->DefaultColumnFamily(), "k1", values.data(), merge_operands_info, &number_of_operands);
Description :
Returns all the merge operands corresponding to the key. If the number of merge operands in DB is greater than merge_operands_options.expected_max_number_of_operands no merge operands are returned and status is Incomplete. Merge operands returned are in the order of insertion.
merge_operands-> Points to an array of at-least merge_operands_options.expected_max_number_of_operands and the caller is responsible for allocating it. If the status returned is Incomplete then number_of_operands will contain the total number of merge operands found in DB for key.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5604
Test Plan:
Added unit test and perf test in db_bench that can be run using the command:
./db_bench -benchmarks=getmergeoperands --merge_operator=sortlist
Differential Revision: D16657366
Pulled By: vjnadimpalli
fbshipit-source-id: 0faadd752351745224ee12d4ae9ef3cb529951bf
5 years ago
|
|
|
[
|
|
|
|
|
"db_merge_operator_test",
|
|
|
|
|
"db/db_merge_operator_test.cc",
|
New API to get all merge operands for a Key (#5604)
Summary:
This is a new API added to db.h to allow for fetching all merge operands associated with a Key. The main motivation for this API is to support use cases where doing a full online merge is not necessary as it is performance sensitive. Example use-cases:
1. Update subset of columns and read subset of columns -
Imagine a SQL Table, a row is encoded as a K/V pair (as it is done in MyRocks). If there are many columns and users only updated one of them, we can use merge operator to reduce write amplification. While users only read one or two columns in the read query, this feature can avoid a full merging of the whole row, and save some CPU.
2. Updating very few attributes in a value which is a JSON-like document -
Updating one attribute can be done efficiently using merge operator, while reading back one attribute can be done more efficiently if we don't need to do a full merge.
----------------------------------------------------------------------------------------------------
API :
Status GetMergeOperands(
const ReadOptions& options, ColumnFamilyHandle* column_family,
const Slice& key, PinnableSlice* merge_operands,
GetMergeOperandsOptions* get_merge_operands_options,
int* number_of_operands)
Example usage :
int size = 100;
int number_of_operands = 0;
std::vector<PinnableSlice> values(size);
GetMergeOperandsOptions merge_operands_info;
db_->GetMergeOperands(ReadOptions(), db_->DefaultColumnFamily(), "k1", values.data(), merge_operands_info, &number_of_operands);
Description :
Returns all the merge operands corresponding to the key. If the number of merge operands in DB is greater than merge_operands_options.expected_max_number_of_operands no merge operands are returned and status is Incomplete. Merge operands returned are in the order of insertion.
merge_operands-> Points to an array of at-least merge_operands_options.expected_max_number_of_operands and the caller is responsible for allocating it. If the status returned is Incomplete then number_of_operands will contain the total number of merge operands found in DB for key.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5604
Test Plan:
Added unit test and perf test in db_bench that can be run using the command:
./db_bench -benchmarks=getmergeoperands --merge_operator=sortlist
Differential Revision: D16657366
Pulled By: vjnadimpalli
fbshipit-source-id: 0faadd752351745224ee12d4ae9ef3cb529951bf
5 years ago
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_options_test",
|
|
|
|
|
"db/db_options_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_properties_test",
|
|
|
|
|
"db/db_properties_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_range_del_test",
|
|
|
|
|
"db/db_range_del_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_secondary_test",
|
|
|
|
|
"db/db_impl/db_secondary_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_sst_test",
|
|
|
|
|
"db/db_sst_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_statistics_test",
|
|
|
|
|
"db/db_statistics_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_table_properties_test",
|
|
|
|
|
"db/db_table_properties_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_tailing_iter_test",
|
|
|
|
|
"db/db_tailing_iter_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_test",
|
|
|
|
|
"db/db_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_test2",
|
|
|
|
|
"db/db_test2.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_universal_compaction_test",
|
|
|
|
|
"db/db_universal_compaction_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_wal_test",
|
|
|
|
|
"db/db_wal_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_with_timestamp_basic_test",
|
|
|
|
|
"db/db_with_timestamp_basic_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_with_timestamp_compaction_test",
|
|
|
|
|
"db/db_with_timestamp_compaction_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"db_write_test",
|
|
|
|
|
"db/db_write_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"dbformat_test",
|
|
|
|
|
"db/dbformat_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"defer_test",
|
|
|
|
|
"util/defer_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"delete_scheduler_test",
|
|
|
|
|
"file/delete_scheduler_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"deletefile_test",
|
|
|
|
|
"db/deletefile_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"dynamic_bloom_test",
|
|
|
|
|
"util/dynamic_bloom_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"env_basic_test",
|
|
|
|
|
"env/env_basic_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"env_logger_test",
|
|
|
|
|
"logging/env_logger_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"env_test",
|
|
|
|
|
"env/env_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"env_timed_test",
|
|
|
|
|
"utilities/env_timed_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"error_handler_fs_test",
|
|
|
|
|
"db/error_handler_fs_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"event_logger_test",
|
|
|
|
|
"logging/event_logger_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"external_sst_file_basic_test",
|
|
|
|
|
"db/external_sst_file_basic_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"external_sst_file_test",
|
|
|
|
|
"db/external_sst_file_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"fault_injection_test",
|
|
|
|
|
"db/fault_injection_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"file_indexer_test",
|
|
|
|
|
"db/file_indexer_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"file_reader_writer_test",
|
|
|
|
|
"util/file_reader_writer_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"filelock_test",
|
|
|
|
|
"util/filelock_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"filename_test",
|
|
|
|
|
"db/filename_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"flush_job_test",
|
|
|
|
|
"db/flush_job_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"full_filter_block_test",
|
|
|
|
|
"table/block_based/full_filter_block_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"hash_table_test",
|
|
|
|
|
"utilities/persistent_cache/hash_table_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"hash_test",
|
|
|
|
|
"util/hash_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"heap_test",
|
|
|
|
|
"util/heap_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"histogram_test",
|
|
|
|
|
"monitoring/histogram_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"import_column_family_test",
|
|
|
|
|
"db/import_column_family_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"inlineskiplist_test",
|
|
|
|
|
"memtable/inlineskiplist_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"io_posix_test",
|
|
|
|
|
"env/io_posix_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"iostats_context_test",
|
|
|
|
|
"monitoring/iostats_context_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"ldb_cmd_test",
|
|
|
|
|
"tools/ldb_cmd_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"listener_test",
|
|
|
|
|
"db/listener_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"log_test",
|
|
|
|
|
"db/log_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"lru_cache_test",
|
|
|
|
|
"cache/lru_cache_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"manual_compaction_test",
|
|
|
|
|
"db/manual_compaction_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"memkind_kmem_allocator_test",
|
|
|
|
|
"memory/memkind_kmem_allocator_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"memory_test",
|
|
|
|
|
"utilities/memory/memory_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"memtable_list_test",
|
|
|
|
|
"db/memtable_list_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"merge_helper_test",
|
|
|
|
|
"db/merge_helper_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"merge_test",
|
|
|
|
|
"db/merge_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"merger_test",
|
|
|
|
|
"table/merger_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"mock_env_test",
|
|
|
|
|
"env/mock_env_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"object_registry_test",
|
|
|
|
|
"utilities/object_registry_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
Skip deleted WALs during recovery
Summary:
This patch record min log number to keep to the manifest while flushing SST files to ignore them and any WAL older than them during recovery. This is to avoid scenarios when we have a gap between the WAL files are fed to the recovery procedure. The gap could happen by for example out-of-order WAL deletion. Such gap could cause problems in 2PC recovery where the prepared and commit entry are placed into two separate WAL and gap in the WALs could result into not processing the WAL with the commit entry and hence breaking the 2PC recovery logic.
Before the commit, for 2PC case, we determined which log number to keep in FindObsoleteFiles(). We looked at the earliest logs with outstanding prepare entries, or prepare entries whose respective commit or abort are in memtable. With the commit, the same calculation is done while we apply the SST flush. Just before installing the flush file, we precompute the earliest log file to keep after the flush finishes using the same logic (but skipping the memtables just flushed), record this information to the manifest entry for this new flushed SST file. This pre-computed value is also remembered in memory, and will later be used to determine whether a log file can be deleted. This value is unlikely to change until next flush because the commit entry will stay in memtable. (In WritePrepared, we could have removed the older log files as soon as all prepared entries are committed. It's not yet done anyway. Even if we do it, the only thing we loss with this new approach is earlier log deletion between two flushes, which does not guarantee to happen anyway because the obsolete file clean-up function is only executed after flush or compaction)
This min log number to keep is stored in the manifest using the safely-ignore customized field of AddFile entry, in order to guarantee that the DB generated using newer release can be opened by previous releases no older than 4.2.
Closes https://github.com/facebook/rocksdb/pull/3765
Differential Revision: D7747618
Pulled By: siying
fbshipit-source-id: d00c92105b4f83852e9754a1b70d6b64cb590729
7 years ago
|
|
|
[
|
|
|
|
|
"obsolete_files_test",
|
|
|
|
|
"db/obsolete_files_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
Skip deleted WALs during recovery
Summary:
This patch record min log number to keep to the manifest while flushing SST files to ignore them and any WAL older than them during recovery. This is to avoid scenarios when we have a gap between the WAL files are fed to the recovery procedure. The gap could happen by for example out-of-order WAL deletion. Such gap could cause problems in 2PC recovery where the prepared and commit entry are placed into two separate WAL and gap in the WALs could result into not processing the WAL with the commit entry and hence breaking the 2PC recovery logic.
Before the commit, for 2PC case, we determined which log number to keep in FindObsoleteFiles(). We looked at the earliest logs with outstanding prepare entries, or prepare entries whose respective commit or abort are in memtable. With the commit, the same calculation is done while we apply the SST flush. Just before installing the flush file, we precompute the earliest log file to keep after the flush finishes using the same logic (but skipping the memtables just flushed), record this information to the manifest entry for this new flushed SST file. This pre-computed value is also remembered in memory, and will later be used to determine whether a log file can be deleted. This value is unlikely to change until next flush because the commit entry will stay in memtable. (In WritePrepared, we could have removed the older log files as soon as all prepared entries are committed. It's not yet done anyway. Even if we do it, the only thing we loss with this new approach is earlier log deletion between two flushes, which does not guarantee to happen anyway because the obsolete file clean-up function is only executed after flush or compaction)
This min log number to keep is stored in the manifest using the safely-ignore customized field of AddFile entry, in order to guarantee that the DB generated using newer release can be opened by previous releases no older than 4.2.
Closes https://github.com/facebook/rocksdb/pull/3765
Differential Revision: D7747618
Pulled By: siying
fbshipit-source-id: d00c92105b4f83852e9754a1b70d6b64cb590729
7 years ago
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"optimistic_transaction_test",
|
|
|
|
|
"utilities/transactions/optimistic_transaction_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"option_change_migration_test",
|
|
|
|
|
"utilities/option_change_migration/option_change_migration_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"options_file_test",
|
|
|
|
|
"db/options_file_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"options_settable_test",
|
|
|
|
|
"options/options_settable_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"options_test",
|
|
|
|
|
"options/options_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"options_util_test",
|
|
|
|
|
"utilities/options/options_util_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"partitioned_filter_block_test",
|
|
|
|
|
"table/block_based/partitioned_filter_block_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"perf_context_test",
|
|
|
|
|
"db/perf_context_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"persistent_cache_test",
|
|
|
|
|
"utilities/persistent_cache/persistent_cache_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"plain_table_db_test",
|
|
|
|
|
"db/plain_table_db_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"prefix_test",
|
|
|
|
|
"db/prefix_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
Support direct IO in RandomAccessFileReader::MultiRead (#6446)
Summary:
By supporting direct IO in RandomAccessFileReader::MultiRead, the benefits of parallel IO (IO uring) and direct IO can be combined.
In direct IO mode, read requests are aligned and merged together before being issued to RandomAccessFile::MultiRead, so blocks in the original requests might share the same underlying buffer, the shared buffers are returned in `aligned_bufs`, which is a new parameter of the `MultiRead` API.
For example, suppose alignment requirement for direct IO is 4KB, one request is (offset: 1KB, len: 1KB), another request is (offset: 3KB, len: 1KB), then since they all belong to page (offset: 0, len: 4KB), `MultiRead` only reads the page with direct IO into a buffer on heap, and returns 2 Slices referencing regions in that same buffer. See `random_access_file_reader_test.cc` for more examples.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6446
Test Plan: Added a new test `random_access_file_reader_test.cc`.
Reviewed By: anand1976
Differential Revision: D20097518
Pulled By: cheng-chang
fbshipit-source-id: ca48a8faf9c3af146465c102ef6b266a363e78d1
5 years ago
|
|
|
[
|
|
|
|
|
"random_access_file_reader_test",
|
|
|
|
|
"file/random_access_file_reader_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"random_test",
|
|
|
|
|
"util/random_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"range_del_aggregator_test",
|
|
|
|
|
"db/range_del_aggregator_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"range_tombstone_fragmenter_test",
|
|
|
|
|
"db/range_tombstone_fragmenter_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"rate_limiter_test",
|
|
|
|
|
"util/rate_limiter_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"reduce_levels_test",
|
|
|
|
|
"tools/reduce_levels_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"repair_test",
|
|
|
|
|
"db/repair_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"repeatable_thread_test",
|
|
|
|
|
"util/repeatable_thread_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"sim_cache_test",
|
|
|
|
|
"utilities/simulator_cache/sim_cache_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"skiplist_test",
|
|
|
|
|
"memtable/skiplist_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"slice_test",
|
|
|
|
|
"util/slice_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"slice_transform_test",
|
|
|
|
|
"util/slice_transform_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"sst_dump_test",
|
|
|
|
|
"tools/sst_dump_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"sst_file_reader_test",
|
|
|
|
|
"table/sst_file_reader_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"statistics_test",
|
|
|
|
|
"monitoring/statistics_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"stats_history_test",
|
|
|
|
|
"monitoring/stats_history_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"stringappend_test",
|
|
|
|
|
"utilities/merge_operators/string_append/stringappend_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"table_properties_collector_test",
|
|
|
|
|
"db/table_properties_collector_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"table_test",
|
|
|
|
|
"table/table_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"thread_list_test",
|
|
|
|
|
"util/thread_list_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"thread_local_test",
|
|
|
|
|
"util/thread_local_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"timer_queue_test",
|
|
|
|
|
"util/timer_queue_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"timer_test",
|
|
|
|
|
"util/timer_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"trace_analyzer_test",
|
|
|
|
|
"tools/trace_analyzer_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"transaction_lock_mgr_test",
|
|
|
|
|
"utilities/transactions/transaction_lock_mgr_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"transaction_test",
|
|
|
|
|
"utilities/transactions/transaction_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"ttl_test",
|
|
|
|
|
"utilities/ttl/ttl_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"util_merge_operators_test",
|
|
|
|
|
"utilities/util_merge_operators_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"version_builder_test",
|
|
|
|
|
"db/version_builder_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"version_edit_test",
|
|
|
|
|
"db/version_edit_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"version_set_test",
|
|
|
|
|
"db/version_set_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"wal_manager_test",
|
|
|
|
|
"db/wal_manager_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"work_queue_test",
|
|
|
|
|
"util/work_queue_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"write_batch_test",
|
|
|
|
|
"db/write_batch_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"write_batch_with_index_test",
|
|
|
|
|
"utilities/write_batch_with_index/write_batch_with_index_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"write_buffer_manager_test",
|
|
|
|
|
"memtable/write_buffer_manager_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"write_callback_test",
|
|
|
|
|
"db/write_callback_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"write_controller_test",
|
|
|
|
|
"db/write_controller_test.cc",
|
|
|
|
|
"serial",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"write_prepared_transaction_test",
|
|
|
|
|
"utilities/transactions/write_prepared_transaction_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
"write_unprepared_transaction_test",
|
|
|
|
|
"utilities/transactions/write_unprepared_transaction_test.cc",
|
|
|
|
|
"parallel",
|
|
|
|
|
[],
|
|
|
|
|
[],
|
|
|
|
|
],
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
# Generate a test rule for each entry in ROCKS_TESTS
|
|
|
|
|
# Do not build the tests in opt mode, since SyncPoint and other test code
|
|
|
|
|
# will not be included.
|
|
|
|
|
[
|
|
|
|
|
test_binary(
|
|
|
|
|
extra_compiler_flags = extra_compiler_flags,
|
|
|
|
|
extra_deps = extra_deps,
|
|
|
|
|
parallelism = parallelism,
|
|
|
|
|
rocksdb_arch_preprocessor_flags = ROCKSDB_ARCH_PREPROCESSOR_FLAGS,
|
|
|
|
|
rocksdb_compiler_flags = ROCKSDB_COMPILER_FLAGS,
|
|
|
|
|
rocksdb_external_deps = ROCKSDB_EXTERNAL_DEPS,
|
|
|
|
|
rocksdb_os_deps = ROCKSDB_OS_DEPS,
|
|
|
|
|
rocksdb_os_preprocessor_flags = ROCKSDB_OS_PREPROCESSOR_FLAGS,
|
|
|
|
|
rocksdb_preprocessor_flags = ROCKSDB_PREPROCESSOR_FLAGS,
|
|
|
|
|
test_cc = test_cc,
|
|
|
|
|
test_name = test_name,
|
|
|
|
|
)
|
|
|
|
|
for test_name, test_cc, parallelism, extra_deps, extra_compiler_flags in ROCKS_TESTS
|
|
|
|
|
if not is_opt_mode
|
|
|
|
|
]
|
