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6acbe0fc45
rocksdb/util
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Dhruba Borthakur 6acbe0fc45 Compact multiple memtables before flushing to storage. 
Summary:
Merge multiple multiple memtables in memory before writing it
out to a file in L0.

There is a new config parameter min_write_buffer_number_to_merge
that specifies the number of write buffers that should be merged
together to a single file in storage. The system will not flush
wrte buffers to storage unless at least these many buffers have
accumulated in memory.
The default value of this new parameter is 1, which means that
a write buffer will be immediately flushed to disk as soon it is
ready.

Test Plan: make check

Differential Revision: https://reviews.facebook.net/D11241
2013-06-18 14:28:04 -07:00
..
arena_test.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
arena.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
arena.h A number of fixes: 2011-10-31 17:22:06 +00:00
auto_roll_logger_test.cc [RocksDB] Fix PosixLogger and AutoRollLogger thread safety 2013-05-21 11:39:44 -07:00
auto_roll_logger.cc [RocksDB] Fix PosixLogger and AutoRollLogger thread safety 2013-05-21 11:39:44 -07:00
auto_roll_logger.h [RocksDB] Fix PosixLogger and AutoRollLogger thread safety 2013-05-21 11:39:44 -07:00
bit_set.h [Rocksdb] Implement filluniquerandom 2013-06-14 16:17:56 -07:00
bloom_test.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
bloom.cc Fix all the lint errors. 2012-11-28 17:18:41 -08:00
build_version.h Stop continually re-creating build_version.c 2013-01-24 17:51:39 -08:00
cache_test.cc [RocksDB] Fix LRUCache Eviction problem 2013-04-04 11:22:50 -07:00
cache.cc [RocksDB] Fix LRUCache Eviction problem 2013-04-04 11:22:50 -07:00
coding_test.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
coding.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
coding.h Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
comparator.cc merge 1.5 2012-08-28 11:43:33 -07:00
crc32c_test.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
crc32c.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
crc32c.h A number of fixes: 2011-10-31 17:22:06 +00:00
env_hdfs.cc Ability to configure bufferedio-reads, filesystem-readaheads and mmap-read-write per database. 2013-03-20 23:14:03 -07:00
env_posix.cc [RocksDB] Sync file to disk incrementally 2013-06-12 12:53:59 -07:00
env_test.cc [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
env.cc [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
filelock_test.cc Prevent concurrent multiple opens of leveldb database. 2012-08-20 23:55:04 -07:00
filter_policy.cc Added bloom filter support. 2012-04-17 08:36:46 -07:00
hash.cc A number of fixes: 2011-10-31 17:22:06 +00:00
hash.h reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
histogram_test.cc Introduce histogram in statistics.h 2013-02-20 10:43:32 -08:00
histogram.cc [Rocksdb] Remove unused double apis to record into histograms 2013-05-16 10:40:30 -07:00
histogram.h [Rocksdb] Remove unused double apis to record into histograms 2013-05-16 10:40:30 -07:00
ldb_cmd_execute_result.h Enhanced ldb to support data access commands 2013-01-28 11:38:26 -08:00
ldb_cmd.cc [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
ldb_cmd.h Ability to set different size fanout multipliers for every level. 2013-05-21 13:50:20 -07:00
ldb_tool.cc Enhance the ldb tool to support ttl databases 2013-05-15 12:10:00 -07:00
logging.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
logging.h A number of fixes: 2011-10-31 17:22:06 +00:00
manual_compaction_test.cc [rocksdb] do not trim range for level0 in manual compaction 2013-06-17 13:58:17 -07:00
murmurhash.cc Implement RowLocks for assoc schema 2012-10-03 23:19:01 -07:00
murmurhash.h Implement RowLocks for assoc schema 2012-10-03 23:19:01 -07:00
mutexlock.h Implement ReadWrite locks for leveldb 2012-10-01 22:37:39 -07:00
options.cc Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
posix_logger.h [RocksDB] Fix PosixLogger and AutoRollLogger thread safety 2013-05-21 11:39:44 -07:00
random.h [RocksDB] Include 64bit random number generator 2013-06-04 13:52:27 -07:00
signal_test.cc [RocksDB] fix build 2013-04-20 10:26:51 -07:00
stack_trace.h [RocksDB] Add stacktrace signal handler 2013-04-20 10:26:50 -07:00
stats_logger.h Clean up compiler warnings generated by -Wall option. 2012-08-29 14:24:51 -07:00
status.cc [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
stop_watch.h [RocksDB] Simplify StopWatch implementation 2013-05-17 10:55:34 -07:00
string_util.cc Ability to set different size fanout multipliers for every level. 2013-05-21 13:50:20 -07:00
string_util.h Ability to set different size fanout multipliers for every level. 2013-05-21 13:50:20 -07:00
testharness.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
testharness.h A number of fixes: 2011-10-31 17:22:06 +00:00
testutil.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
testutil.h Ability to configure bufferedio-reads, filesystem-readaheads and mmap-read-write per database. 2013-03-20 23:14:03 -07:00