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

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Zhichao Cao 6d93b87588 Add lowest_used_cache_tier to ImmutableDBOptions to enable or disable Secondary Cache (#9050) ... Summary: Currently, if Secondary Cache is provided to the lru cache, it is used by default. We add CacheTier to advanced_options.h to describe the cache tier we used. Add a `lowest_used_cache_tier` option to `DBOptions` (immutable) and pass it to BlockBasedTableReader to decide if secondary cache will be used or not. By default it is `CacheTier::kNonVolatileTier`, which means, we always use both block cache (kVolatileTier) and secondary cache (kNonVolatileTier). By set it to `CacheTier::kVolatileTier`, the DB will not use the secondary cache. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9050 Test Plan: added new tests Reviewed By: anand1976 Differential Revision: D31744769 Pulled By: zhichao-cao fbshipit-source-id: a0575ebd23e1c6dfcfc2b4c8578764e73b15bce6		3 years ago
..
cache.cc	Make SecondaryCache Customizable (#8480)	4 years ago
cache_bench.cc	Add (& fix) some simple source code checks (#8821)	3 years ago
cache_bench_tool.cc	Make SecondaryCache Customizable (#8480)	4 years ago
cache_entry_roles.cc	Account for dictionary-building buffer in global memory limit (#8428)	3 years ago
cache_entry_roles.h	Account for dictionary-building buffer in global memory limit (#8428)	3 years ago
cache_entry_stats.h	Fix and detect headers with missing dependencies (#8893)	3 years ago
cache_helpers.h	Use deleters to label cache entries and collect stats (#8297)	4 years ago
cache_reservation_manager.cc	Account for dictionary-building buffer in global memory limit (#8428)	3 years ago
cache_reservation_manager.h	Add comment for new_memory_used parameter in CacheReservationManager::UpdateCacheReservation (#8895)	3 years ago
cache_reservation_manager_test.cc	Refactor WriteBufferManager::CacheRep into CacheReservationManager (#8506)	3 years ago
cache_test.cc	Use deleters to label cache entries and collect stats (#8297)	4 years ago
clock_cache.cc	Replace most typedef with using= (#8751)	3 years ago
clock_cache.h	Change RocksDB License	8 years ago
lru_cache.cc	Fix a race in LRUCacheShard::Promote (#8717)	3 years ago
lru_cache.h	Add a stat to count secondary cache hits (#8666)	3 years ago
lru_cache_test.cc	Add lowest_used_cache_tier to ImmutableDBOptions to enable or disable Secondary Cache (#9050)	3 years ago
sharded_cache.cc	Add a stat to count secondary cache hits (#8666)	3 years ago
sharded_cache.h	Add a stat to count secondary cache hits (#8666)	3 years ago