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

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yiwu-arbug e5a1b727c0 Fix blob DB transaction usage while GC ... Summary: While GC, blob DB use optimistic transaction to delete or replace the index entry in LSM, to guarantee correctness if there's a normal write writing to the same key. However, the previous implementation doesn't call SetSnapshot() nor use GetForUpdate() of transaction API, instead it do its own sequence number checking before beginning the transaction. A normal write can sneak in after the sequence number check and overwrite the key, and the GC will delete or relocate the old version of the key by mistake. Update the code to property use GetForUpdate() to check the existing index entry. After the patch the sequence number store with each blob record is useless, So I'm considering remove the sequence number from blob record, in another patch. Closes https://github.com/facebook/rocksdb/pull/2703 Differential Revision: D5589178 Pulled By: yiwu-arbug fbshipit-source-id: 8dc960cd5f4e61b36024ba7c32d05584ce149c24		7 years ago
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backupable	Revert "comment out unused parameters"	8 years ago
blob_db	Fix blob DB transaction usage while GC	7 years ago
cassandra	Fix license headers in Cassandra related files	8 years ago
checkpoint	Revert "comment out unused parameters"	8 years ago
compaction_filters	Revert "comment out unused parameters"	8 years ago
convenience	Change RocksDB License	8 years ago
date_tiered	Add Iterator::Refresh()	8 years ago
document	Revert "comment out unused parameters"	8 years ago
geodb	Change RocksDB License	8 years ago
leveldb_options	Change RocksDB License	8 years ago
lua	CodeMod: Prefer ADD_FAILURE() over EXPECT_TRUE(false), et cetera	8 years ago
memory	Change RocksDB License	8 years ago
merge_operators	Revert "comment out unused parameters"	8 years ago
option_change_migration	Change RocksDB License	8 years ago
options	Replace dynamic_cast<>	8 years ago
persistent_cache	block_cache_tier: fix gcc-7 warnings	8 years ago
redis	Revert "comment out unused parameters"	8 years ago
simulator_cache	CacheActivityLogger, component to log cache activity into a file	8 years ago
spatialdb	Revert "comment out unused parameters"	8 years ago
table_properties_collectors	Revert "comment out unused parameters"	8 years ago
transactions	Refactor PessimisticTransaction	8 years ago
ttl	Revert "comment out unused parameters"	8 years ago
write_batch_with_index	Revert "comment out unused parameters"	8 years ago
col_buf_decoder.cc	Change RocksDB License	8 years ago
col_buf_decoder.h	Revert "comment out unused parameters"	8 years ago
col_buf_encoder.cc	Change RocksDB License	8 years ago
col_buf_encoder.h	Change RocksDB License	8 years ago
column_aware_encoding_exp.cc	Change RocksDB License	8 years ago
column_aware_encoding_test.cc	Change RocksDB License	8 years ago
column_aware_encoding_util.cc	Replace dynamic_cast<>	8 years ago
column_aware_encoding_util.h	Change RocksDB License	8 years ago
debug.cc	Change RocksDB License	8 years ago
env_librados.cc	Remove double buffering on RandomRead on Windows.	8 years ago
env_librados.md	Add EnvLibrados - RocksDB Env of RADOS (#1222)	9 years ago
env_librados_test.cc	Change RocksDB License	8 years ago
env_mirror.cc	Change RocksDB License	8 years ago
env_mirror_test.cc	Change RocksDB License	8 years ago
env_timed.cc	Change RocksDB License	8 years ago
env_timed_test.cc	Change RocksDB License	8 years ago
merge_operators.h	Change RocksDB License	8 years ago
object_registry_test.cc	Revert "comment out unused parameters"	8 years ago
util_merge_operators_test.cc	Change RocksDB License	8 years ago