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

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Gang Liao c987eb4712 Eliminate the copying of blobs when serving reads from the cache (#10297) ... Summary: The blob cache enables an optimization on the read path: when a blob is found in the cache, we can avoid copying it into the buffer provided by the application. Instead, we can simply transfer ownership of the cache handle to the target `PinnableSlice`. (Note: this relies on the `Cleanable` interface, which is implemented by `PinnableSlice`.) This has the potential to save a lot of CPU, especially with large blob values. This task is a part of https://github.com/facebook/rocksdb/issues/10156 Pull Request resolved: https://github.com/facebook/rocksdb/pull/10297 Reviewed By: riversand963 Differential Revision: D37640311 Pulled By: gangliao fbshipit-source-id: 92de0e35cc703d06c87c5c1861cc2899ec52234a		2 years ago
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cache.cc	Enable SecondaryCache::CreateFromString to create sec cache based on the uri for CompressedSecondaryCache (#10132)	2 years ago
cache_bench.cc	Add (& fix) some simple source code checks (#8821)	3 years ago
cache_bench_tool.cc	Clock cache (#10273)	2 years ago
cache_entry_roles.cc	Account memory of FileMetaData in global memory limit (#9924)	2 years ago
cache_entry_roles.h	Expose `CacheEntryRole` and map keys for block cache stat collections (#9838)	3 years ago
cache_entry_stats.h	New stable, fixed-length cache keys (#9126)	3 years ago
cache_helpers.h	Eliminate the copying of blobs when serving reads from the cache (#10297)	2 years ago
cache_key.cc	Enhance new cache key testing & comments (#9329)	3 years ago
cache_key.h	Fix key size in cache_bench (#10234)	2 years ago
cache_reservation_manager.cc	Account memory of FileMetaData in global memory limit (#9924)	2 years ago
cache_reservation_manager.h	Account memory of FileMetaData in global memory limit (#9924)	2 years ago
cache_reservation_manager_test.cc	Have Cache use Status::MemoryLimit (#10262)	2 years ago
cache_test.cc	Have Cache use Status::MemoryLimit (#10262)	2 years ago
clock_cache.cc	Midpoint insertions in ClockCache (#10305)	2 years ago
clock_cache.h	Midpoint insertions in ClockCache (#10305)	2 years ago
compressed_secondary_cache.cc	Prevent double caching in the compressed secondary cache (#9747)	3 years ago
compressed_secondary_cache.h	Prevent double caching in the compressed secondary cache (#9747)	3 years ago
compressed_secondary_cache_test.cc	Enable SecondaryCache::CreateFromString to create sec cache based on the uri for CompressedSecondaryCache (#10132)	2 years ago
fast_lru_cache.cc	Have Cache use Status::MemoryLimit (#10262)	2 years ago
fast_lru_cache.h	Clock cache (#10273)	2 years ago
lru_cache.cc	Have Cache use Status::MemoryLimit (#10262)	2 years ago
lru_cache.h	Use optimized folly DistributedMutex in LRUCache when available (#10179)	2 years ago
lru_cache_test.cc	Midpoint insertions in ClockCache (#10305)	2 years ago
sharded_cache.cc	Update Cache::Release param from force_erase to erase_if_last_ref (#9728)	3 years ago
sharded_cache.h	Update Cache::Release param from force_erase to erase_if_last_ref (#9728)	3 years ago