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6acbe0fc45
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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
..
.nfs00000000066c9ebb00000002 Enhance db_bench 2013-03-14 16:00:23 -07:00
builder.cc [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
builder.h [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
c_test.c Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -08:00
c.cc Fix poor error on num_levels mismatch and few other minor improvements 2013-01-25 15:37:26 -08:00
corruption_test.cc [RocksDB] Fix CorruptionTest 2013-05-28 12:36:42 -07:00
db_bench.cc Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
db_filesnapshot.cc [Rocksdb] Log on disable/enable file deletions 2013-06-05 10:48:24 -07:00
db_impl_readonly.cc [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
db_impl_readonly.h [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
db_impl.cc Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
db_impl.h Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
db_iter.cc Record the number of open db iterators. 2013-05-29 08:47:08 -07:00
db_iter.h [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
db_statistics.h [RocksDB] Expose DBStatistics 2013-05-23 11:49:38 -07:00
db_stats_logger.cc remove boost 2012-09-16 19:33:43 -07:00
db_test.cc [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
dbformat_test.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
dbformat.cc Fix refering freed memory in earlier commit. 2013-06-10 15:08:13 -07:00
dbformat.h Fix refering freed memory in earlier commit. 2013-06-10 15:08:13 -07:00
filename_test.cc Added meta-database support. 2012-12-17 11:26:59 -08:00
filename.cc Allow the logs to be purged by TTL. 2013-02-04 19:42:40 -08:00
filename.h Added meta-database support. 2012-12-17 11:26:59 -08:00
log_file.h GetUpdatesSince API to enable replication. 2012-12-07 11:42:13 -08:00
log_format.h Fixed sign-comparison in rocksdb code-base and fixed Makefile 2013-03-19 14:35:23 -07:00
log_reader.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
log_reader.h TransactionLogIter should stall at the last record. Currently it errors out 2013-03-21 15:12:35 -07:00
log_test.cc Fix more signed-unsigned comparisons 2013-03-19 17:21:36 -07:00
log_writer.cc Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
log_writer.h Fix a number of object lifetime/ownership issues 2013-01-23 16:54:11 -08:00
memtable.cc Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
memtable.h Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
memtablelist.cc Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
memtablelist.h Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
merge_helper.cc [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
merge_helper.h [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
merge_test.cc [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
repair.cc [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
skiplist_test.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
skiplist.h Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
snapshot.h [RocksDB] fix compaction filter trigger condition 2013-05-13 12:33:02 -07:00
table_cache.cc [Rocksdb] measure table open io in a histogram 2013-06-13 17:25:09 -07:00
table_cache.h [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
transaction_log_iterator_impl.cc [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
transaction_log_iterator_impl.h [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
version_edit_test.cc Make some variables configurable for each db instance 2012-06-27 14:36:31 -07:00
version_edit.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
version_edit.h Compact multiple memtables before flushing to storage. 2013-06-18 14:28:04 -07:00
version_set_reduce_num_levels.cc Fix valgrind errors in rocksdb tests: auto_roll_logger_test, reduce_levels_test 2013-03-12 16:03:16 -07:00
version_set_test.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
version_set.cc [rocksdb] do not trim range for level0 in manual compaction 2013-06-17 13:58:17 -07:00
version_set.h [RocksDB] cleanup EnvOptions 2013-06-12 11:17:19 -07:00
write_batch_internal.h GetUpdatesSince API to enable replication. 2012-12-07 11:42:13 -08:00
write_batch_test.cc [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00
write_batch.cc [Rocksdb] Support Merge operation in rocksdb 2013-05-03 16:59:02 -07:00