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

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krad d9cfaa2b16 Persistent Read Cache (6) Persistent cache tier implentation - File layout ... Summary: Persistent cache tier is the tier abstraction that can work for any block device based device mounted on a file system. The design/implementation can handle any generic block device. Any generic block support is achieved by generalizing the access patten as {io-size, q-depth, direct-io/buffered}. We have specifically tested and adapted the IO path for NVM and SSD. Persistent cache tier consists of there parts : 1) File layout Provides the implementation for handling IO path for reading and writing data (key/value pair). 2) Meta-data Provides the implementation for handling the index for persistent read cache. 3) Implementation It binds (1) and (2) and flushed out the PersistentCacheTier interface This patch provides implementation for (1)(2). Follow up patch will provide (3) and tests. Test Plan: Compile and run check Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D57117		8 years ago
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block_cache_tier_file.cc	Persistent Read Cache (6) Persistent cache tier implentation - File layout	8 years ago
block_cache_tier_file.h	Persistent Read Cache (6) Persistent cache tier implentation - File layout	8 years ago
block_cache_tier_file_buffer.h	Persistent Read Cache (6) Persistent cache tier implentation - File layout	8 years ago
block_cache_tier_metadata.cc	Persistent Read Cache (6) Persistent cache tier implentation - File layout	8 years ago
block_cache_tier_metadata.h	Persistent Read Cache (6) Persistent cache tier implentation - File layout	8 years ago
hash_table.h	fix simple typos (#1183)	8 years ago
hash_table_bench.cc	Fix Windows build	9 years ago
hash_table_evictable.h	Fix tsan error	9 years ago
hash_table_test.cc	Add persistent cache to Windows build system	9 years ago
lrulist.h	fix simple typos (#1183)	8 years ago
persistent_cache_test.cc	Disable some persistent cache tests on linux/clang	8 years ago
persistent_cache_test.h	Enabled Windows build for volatile tier implementation	9 years ago
persistent_cache_tier.cc	Persistent Read Cache (4) Interface definitions	9 years ago
persistent_cache_tier.h	Temporarily remove PersistentCacheOptions from persistent_cache_tier.h to fix unity build	9 years ago
persistent_cache_util.h	Persistent Read Cache (6) Persistent cache tier implentation - File layout	8 years ago
volatile_tier_impl.cc	Enabled Windows build for volatile tier implementation	9 years ago
volatile_tier_impl.h	Enabled Windows build for volatile tier implementation	9 years ago