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b4ad5e89ae
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Dhruba Borthakur b4ad5e89ae Implement a compressed block cache. 
Summary:
Rocksdb can now support a uncompressed block cache, or a compressed
block cache or both. Lookups first look for a block in the
uncompressed cache, if it is not found only then it is looked up
in the compressed cache. If it is found in the compressed cache,
then it is uncompressed and inserted into the uncompressed cache.

It is possible that the same block resides in the compressed cache
as well as the uncompressed cache at the same time. Both caches
have their own individual LRU policy.

Test Plan: Unit test case attached.

Reviewers: kailiu, sdong, haobo, leveldb

Reviewed By: haobo

CC: xjin, haobo

Differential Revision: https://reviews.facebook.net/D12675
2013-11-01 14:31:35 -07:00
..
arena_impl.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
arena_impl.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
arena_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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auto_roll_logger.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
bit_set.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
blob_store_test.cc Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
blob_store.cc Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
blob_store.h Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
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crc32c.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
env_hdfs.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
env_posix.cc Implement a compressed block cache. 2013-11-01 14:31:35 -07:00
env_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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histogram.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
ldb_cmd_execute_result.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
ldb_cmd.cc Task #3071144 Enhance ldb (db dump tool for leveldb) to report row counters for each row type 2013-11-01 13:59:14 -07:00
ldb_cmd.h Task #3071144 Enhance ldb (db dump tool for leveldb) to report row counters for each row type 2013-11-01 13:59:14 -07:00
ldb_tool.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
logging.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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manual_compaction_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
murmurhash.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
murmurhash.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
mutexlock.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
options.cc Implement a compressed block cache. 2013-11-01 14:31:35 -07:00
perf_context_imp.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
perf_context.cc [RocksDB] Add perf_context.wal_write_time to track time spent on writing the recovery log. 2013-10-23 13:38:39 -07:00
posix_logger.h Flush Log every 5 seconds 2013-10-31 15:36:40 -07:00
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