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

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krad d755c62f92 Persistent Read Cache (5) Volatile cache tier implementation ... Summary: This provides provides an implementation of PersistentCacheTier that is specialized for RAM. This tier does not persist data though. Why do we need this tier ? This is ideal as tier 0. This tier can host data that is too hot. Why can't we use Cache variants ? Yes you can use them instead. This tier can potentially outperform BlockCache in RAW mode by virtue of compression and compressed cache in block cache doesn't seem very popular. Potentially this tier can be modified to under stand the disadvantage of the tier below and retain data that the tier below is bad at handling (for example index and bloom data that is huge in size) Test Plan: Run unit tests added Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D57069		8 years ago
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hash_table.h	Add persistent cache to Windows build system	8 years ago
hash_table_bench.cc	Fix Windows build	8 years ago
hash_table_evictable.h	Persistent Read Cache (5) Volatile cache tier implementation	8 years ago
hash_table_test.cc	Add persistent cache to Windows build system	8 years ago
lrulist.h	Disable lite build/testing for persistent read cache	8 years ago
persistent_cache_test.cc	Persistent Read Cache (5) Volatile cache tier implementation	8 years ago
persistent_cache_test.h	Persistent Read Cache (5) Volatile cache tier implementation	8 years ago
persistent_cache_tier.cc	Persistent Read Cache (4) Interface definitions	8 years ago
persistent_cache_tier.h	Persistent Read Cache (5) Volatile cache tier implementation	8 years ago
volatile_tier_impl.cc	Persistent Read Cache (5) Volatile cache tier implementation	8 years ago
volatile_tier_impl.h	Persistent Read Cache (5) Volatile cache tier implementation	8 years ago