fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Levi Tamasi 9e3ace42a4 Add statistics for BlobDB GC (#6296) ... Summary: The patch adds statistics support to the new BlobDB garbage collection implementation; namely, it adds support for the following (pre-existing) tickers: `BLOB_DB_GC_NUM_FILES`: the number of blob files obsoleted by the GC logic. `BLOB_DB_GC_NUM_NEW_FILES`: the number of new blob files generated by the GC logic. `BLOB_DB_GC_FAILURES`: the number of failed GC passes (where a GC pass is equivalent to a (sub)compaction). `BLOB_DB_GC_NUM_KEYS_RELOCATED`: the number of blobs relocated to new blob files by the GC logic. `BLOB_DB_GC_BYTES_RELOCATED`: the total size of blobs relocated to new blob files. The tickers `BLOB_DB_GC_NUM_KEYS_OVERWRITTEN`, `BLOB_DB_GC_NUM_KEYS_EXPIRED`, `BLOB_DB_GC_BYTES_OVERWRITTEN`, `BLOB_DB_GC_BYTES_EXPIRED`, and `BLOB_DB_GC_MICROS` are not relevant for the new GC logic, and are thus marked deprecated. The patch also adds a couple of log messages that log the number and total size of blobs encountered and relocated during a GC pass, as well as the number of blob files created and obsoleted. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6296 Test Plan: Extended unit tests and used the BlobDB mode of `db_bench`. Differential Revision: D19402513 Pulled By: ltamasi fbshipit-source-id: d53d2bfbf4928a1db1e9346c67ebb9007b8932ec		5 years ago
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backupable	Introduce a new storage specific Env API (#5761)	5 years ago
blob_db	Add statistics for BlobDB GC (#6296)	5 years ago
cassandra	Organizing rocksdb/db directory	6 years ago
checkpoint	Introduce a new storage specific Env API (#5761)	5 years ago
compaction_filters	Comment out unused variables	7 years ago
convenience	Auto roll logger to enforce options.keep_log_file_num immediately after a new file is created (#5370)	6 years ago
leveldb_options	Change RocksDB License	8 years ago
memory	Make clang-analyzer happy (#5821)	5 years ago
merge_operators	Apply formatter to recent 200+ commits. (#5830)	5 years ago
option_change_migration	Avoid double-compacting data in bottom level in manual compactions (#5138)	6 years ago
options	Introduce a new storage specific Env API (#5761)	5 years ago
persistent_cache	Correct pragma once problem with Bazel on Windows (#6321)	5 years ago
simulator_cache	Introduce a new storage specific Env API (#5761)	5 years ago
table_properties_collectors	Reduce the number of random iterations in compact_on_deletion_collector_test (#5635)	5 years ago
trace	Introduce a new storage specific Env API (#5761)	5 years ago
transactions	Double Crash in kPointInTimeRecovery with TransactionDB (#6313)	5 years ago
ttl	Apply formatter to recent 200+ commits. (#5830)	5 years ago
write_batch_with_index	Fix crash in Transaction::MultiGet() when num_keys > 32	5 years ago
debug.cc	Support GetAllKeyVersions() for non-default cf (#5544)	6 years ago
env_librados.cc	Optionally wait on bytes_per_sync to smooth I/O (#5183)	6 years ago
env_librados.md	Add EnvLibrados - RocksDB Env of RADOS (#1222)	9 years ago
env_librados_test.cc	Move test related files under util/ to test_util/ (#5377)	6 years ago
env_mirror.cc	Optionally wait on bytes_per_sync to smooth I/O (#5183)	6 years ago
env_mirror_test.cc	Move test related files under util/ to test_util/ (#5377)	6 years ago
env_timed.cc	Apply modernize-use-override (2nd iteration)	6 years ago
env_timed_test.cc	Move test related files under util/ to test_util/ (#5377)	6 years ago
merge_operators.h	New API to get all merge operands for a Key (#5604)	5 years ago
object_registry.cc	The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293)	5 years ago
object_registry_test.cc	The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293)	5 years ago
util_merge_operators_test.cc	Move test related files under util/ to test_util/ (#5377)	6 years ago