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

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Levi Tamasi 279c488395 Mark blob files not needed by any memtables/SSTs obsolete (#6032) ... Summary: The patch adds logic to mark no longer needed blob files obsolete upon database open and whenever a flush or compaction completes. Unneeded blob files are detected by iterating through live immutable non-TTL blob files starting from the lowest-numbered one, and stopping when a blob file used by any SSTs or potentially used by memtables is found. (The latter is determined by comparing the sequence number at which the blob file became immutable with the largest sequence number received in flush notifications.) In addition, the patch cleans up the logic around closing and obsoleting blob files and enforces invariants around this area (blob files are now guaranteed to go through the stages mutable-non-obsolete, immutable-non-obsolete, and immutable-obsolete in this order). Pull Request resolved: https://github.com/facebook/rocksdb/pull/6032 Test Plan: Extended unit tests and tested using the BlobDB mode of `db_bench`. Differential Revision: D18495610 Pulled By: ltamasi fbshipit-source-id: 11825b84af74f3f4abfd9bcae04e80870ae58961		5 years ago
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backupable	More fixes to auto-GarbageCollect in BackupEngine (#6023)	5 years ago
blob_db	Mark blob files not needed by any memtables/SSTs obsolete (#6032)	5 years ago
cassandra	Organizing rocksdb/db directory	6 years ago
checkpoint	Add file number/oldest referenced blob file number to {Sst,Live}FileMetaData (#6011)	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	7 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	simplify include directive involving inttypes (#5402)	6 years ago
persistent_cache	Fix block cache ID uniqueness for Windows builds (#5844)	5 years ago
simulator_cache	Apply formatter to recent 200+ commits. (#5830)	5 years ago
table_properties_collectors	Reduce the number of random iterations in compact_on_deletion_collector_test (#5635)	5 years ago
trace	Divide file_reader_writer.h and .cc (#5803)	5 years ago
transactions	Disable SmallestUnCommittedSeq in Valgrind run (#6035)	5 years ago
ttl	Apply formatter to recent 200+ commits. (#5830)	5 years ago
write_batch_with_index	Batched MultiGet API for multiple column families (#5816)	5 years ago
debug.cc	Support GetAllKeyVersions() for non-default cf (#5544)	5 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)	8 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