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

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Jay Zhuang 29102641dd Skip directory fsync for filesystem btrfs (#8903) ... Summary: Directory fsync might be expensive on btrfs and it may not be needed. Here are 4 directory fsync cases: 1. creating a new file: dir-fsync is not needed on btrfs, as long as the new file itself is synced. 2. renaming a file: dir-fsync is not needed if the renamed file is synced. So an API `FsyncAfterFileRename(filename, ...)` is provided to sync the file on btrfs. By default, it just calls dir-fsync. 3. deleting files: dir-fsync is forced by set `IOOptions.force_dir_fsync = true` 4. renaming multiple files (like backup and checkpoint): dir-fsync is forced, the same as above. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8903 Test Plan: run tests on btrfs and non btrfs Reviewed By: ajkr Differential Revision: D30885059 Pulled By: jay-zhuang fbshipit-source-id: dd2730b31580b0bcaedffc318a762d7dbf25de4a		3 years ago
..
delete_scheduler.cc	Skip directory fsync for filesystem btrfs (#8903)	3 years ago
delete_scheduler.h	Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)	4 years ago
delete_scheduler_test.cc	Use SST file manager to track blob files as well (#8037)	4 years ago
file_prefetch_buffer.cc	Improve BlockPrefetcher to prefetch only for sequential scans (#7394)	4 years ago
file_prefetch_buffer.h	Improve BlockPrefetcher to prefetch only for sequential scans (#7394)	4 years ago
file_util.cc	Allow WAL dir to change with db dir (#8582)	3 years ago
file_util.h	Allow WAL dir to change with db dir (#8582)	3 years ago
filename.cc	Skip directory fsync for filesystem btrfs (#8903)	3 years ago
filename.h	Add (Live)FileStorageInfo API (#8968)	3 years ago
line_file_reader.cc	Replace Status with IOStatus in the backupable_db (#8820)	3 years ago
line_file_reader.h	Replace Status with IOStatus in the backupable_db (#8820)	3 years ago
prefetch_test.cc	Make FileSystem a Customizable Class (#8649)	3 years ago
random_access_file_reader.cc	Add file temperature related counter and bytes stats to and io_stats (#8710)	3 years ago
random_access_file_reader.h	Add file temperature related counter and bytes stats to and io_stats (#8710)	3 years ago
random_access_file_reader_test.cc	use the pointer directly (#8095)	4 years ago
read_write_util.cc	Move old files to warm tier in FIFO compactions (#8310)	3 years ago
read_write_util.h	Refactor: add LineFileReader and Status::MustCheck (#8026)	4 years ago
readahead_raf.cc	Make StringEnv, StringSink, StringSource use FS classes (#7786)	4 years ago
readahead_raf.h	Make StringEnv, StringSink, StringSource use FS classes (#7786)	4 years ago
sequence_file_reader.cc	Add file operation callbacks to SequentialFileReader (#8982)	3 years ago
sequence_file_reader.h	Add file operation callbacks to SequentialFileReader (#8982)	3 years ago
sst_file_manager_impl.cc	Cleanup includes in dbformat.h (#8930)	3 years ago
sst_file_manager_impl.h	Use SST file manager to track blob files as well (#8037)	4 years ago
writable_file_writer.cc	Introduce a mechanism to dump out blocks from block cache and re-insert to secondary cache (#8912)	3 years ago
writable_file_writer.h	Introduce a mechanism to dump out blocks from block cache and re-insert to secondary cache (#8912)	3 years ago