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

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Peter Dillinger 5ad3227650 Work around falsely reported data race on LRUHandle::flags (#8539) ... Summary: Some bits are mutated and read while holding a lock, other immutable bits (esp. secondary cache compatibility) can be read by arbitrary threads without holding a lock. AFAIK, this doesn't cause an issue on any architecture we care about, because you will get some legitimate version of the value that includes the initialization, as long as synchronization guarantees the initialization happens before the read. I've only seen this in https://github.com/facebook/rocksdb/issues/8538 so far, but it should be fixed regardless. Otherwise, we'll surely get these false reports again some time. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8539 Test Plan: some local TSAN test runs and in CircleCI Reviewed By: zhichao-cao Differential Revision: D29720262 Pulled By: pdillinger fbshipit-source-id: 365fd7e565577c648815161f71b339bcb5ce12d5		3 years ago
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cache.cc	Make SecondaryCache Customizable (#8480)	3 years ago
cache_bench.cc	Allow cache_bench/db_bench to use a custom secondary cache (#8312)	3 years ago
cache_bench_tool.cc	Make SecondaryCache Customizable (#8480)	3 years ago
cache_entry_roles.cc	Use deleters to label cache entries and collect stats (#8297)	3 years ago
cache_entry_roles.h	Clarify some DB::Open,OpenForReadOnly semantics (#8379)	3 years ago
cache_entry_stats.h	Pin CacheEntryStatsCollector to fix performance bug (#8385)	3 years ago
cache_helpers.h	Use deleters to label cache entries and collect stats (#8297)	3 years ago
cache_test.cc	Use deleters to label cache entries and collect stats (#8297)	3 years ago
clock_cache.cc	Use deleters to label cache entries and collect stats (#8297)	3 years ago
clock_cache.h	Change RocksDB License	7 years ago
lru_cache.cc	Work around falsely reported data race on LRUHandle::flags (#8539)	3 years ago
lru_cache.h	Work around falsely reported data race on LRUHandle::flags (#8539)	3 years ago
lru_cache_test.cc	Make SecondaryCache Customizable (#8480)	3 years ago
sharded_cache.cc	Use deleters to label cache entries and collect stats (#8297)	3 years ago
sharded_cache.h	Parallelize secondary cache lookup in MultiGet (#8405)	3 years ago