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

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Gang Liao 8d178090be Add a blob-specific cache priority (#10309) ... Summary: RocksDB's `Cache` abstraction currently supports two priority levels for items: high (used for frequently accessed/highly valuable SST metablocks like index/filter blocks) and low (used for SST data blocks). Blobs are typically lower-value targets for caching than data blocks, since 1) with BlobDB, data blocks containing blob references conceptually form an index structure which has to be consulted before we can read the blob value, and 2) cached blobs represent only a single key-value, while cached data blocks generally contain multiple KVs. Since we would like to make it possible to use the same backing cache for the block cache and the blob cache, it would make sense to add a new, lower-than-low cache priority level (bottom level) for blobs so data blocks are prioritized over them. This task is a part of https://github.com/facebook/rocksdb/issues/10156 Pull Request resolved: https://github.com/facebook/rocksdb/pull/10309 Reviewed By: ltamasi Differential Revision: D38211655 Pulled By: gangliao fbshipit-source-id: 65ef33337db4d85277cc6f9782d67c421ad71dd5		2 years ago
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cache.cc	Add a blob-specific cache priority (#10309)	2 years ago
cache_bench.cc	Add (& fix) some simple source code checks (#8821)	3 years ago
cache_bench_tool.cc	Add a blob-specific cache priority (#10309)	2 years ago
cache_entry_roles.cc	Charge blob cache usage against the global memory limit (#10321)	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	Charge blob cache usage against the global memory limit (#10321)	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	Towards a production-quality ClockCache (#10418)	2 years ago
charged_cache.cc	Charge blob cache usage against the global memory limit (#10321)	2 years ago
charged_cache.h	Charge blob cache usage against the global memory limit (#10321)	2 years ago
clock_cache.cc	Add a blob-specific cache priority (#10309)	2 years ago
clock_cache.h	Fix assertion failure and memory leak in ClockCache. (#10430)	2 years ago
compressed_secondary_cache.cc	Add a blob-specific cache priority (#10309)	2 years ago
compressed_secondary_cache.h	Add a blob-specific cache priority (#10309)	2 years ago
compressed_secondary_cache_test.cc	Add a blob-specific cache priority (#10309)	2 years ago
fast_lru_cache.cc	Towards a production-quality ClockCache (#10418)	2 years ago
fast_lru_cache.h	Clock cache (#10273)	2 years ago
lru_cache.cc	Add a blob-specific cache priority (#10309)	2 years ago
lru_cache.h	Add a blob-specific cache priority (#10309)	2 years ago
lru_cache_test.cc	Add a blob-specific cache priority (#10309)	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	Charge blob cache usage against the global memory limit (#10321)	2 years ago