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

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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		12 years ago
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arena.cc	Codemod NULL to nullptr	12 years ago
arena.h	A number of fixes:	13 years ago
arena_test.cc	Fix all warnings generated by -Wall option to the compiler.	12 years ago
auto_roll_logger.cc	[RocksDB] Fix PosixLogger and AutoRollLogger thread safety	12 years ago
auto_roll_logger.h	[RocksDB] Fix PosixLogger and AutoRollLogger thread safety	12 years ago
auto_roll_logger_test.cc	[RocksDB] Fix PosixLogger and AutoRollLogger thread safety	12 years ago
bit_set.h	[Rocksdb] Implement filluniquerandom	12 years ago
bloom.cc	Fix all the lint errors.	12 years ago
bloom_test.cc	Fix all warnings generated by -Wall option to the compiler.	12 years ago
build_version.h	Stop continually re-creating build_version.c	12 years ago
cache.cc	[RocksDB] Fix LRUCache Eviction problem	12 years ago
cache_test.cc	[RocksDB] Fix LRUCache Eviction problem	12 years ago
coding.cc	Codemod NULL to nullptr	12 years ago
coding.h	Codemod NULL to nullptr	12 years ago
coding_test.cc	Codemod NULL to nullptr	12 years ago
comparator.cc	merge 1.5	12 years ago
crc32c.cc	Codemod NULL to nullptr	12 years ago
crc32c.h	A number of fixes:	13 years ago
crc32c_test.cc	Fix all warnings generated by -Wall option to the compiler.	12 years ago
env.cc	[RocksDB] cleanup EnvOptions	12 years ago
env_hdfs.cc	Ability to configure bufferedio-reads, filesystem-readaheads and mmap-read-write per database.	12 years ago
env_posix.cc	[RocksDB] Sync file to disk incrementally	12 years ago
env_test.cc	[RocksDB] cleanup EnvOptions	12 years ago
filelock_test.cc	Prevent concurrent multiple opens of leveldb database.	12 years ago
filter_policy.cc	Added bloom filter support.	13 years ago
hash.cc	A number of fixes:	13 years ago
hash.h	reverting disastrous MOE commit, returning to r21	14 years ago
histogram.cc	[Rocksdb] Remove unused double apis to record into histograms	12 years ago
histogram.h	[Rocksdb] Remove unused double apis to record into histograms	12 years ago
histogram_test.cc	Introduce histogram in statistics.h	12 years ago
ldb_cmd.cc	[RocksDB] cleanup EnvOptions	12 years ago
ldb_cmd.h	Ability to set different size fanout multipliers for every level.	12 years ago
ldb_cmd_execute_result.h	Enhanced ldb to support data access commands	12 years ago
ldb_tool.cc	Enhance the ldb tool to support ttl databases	12 years ago
logging.cc	Fix all warnings generated by -Wall option to the compiler.	12 years ago
logging.h	A number of fixes:	13 years ago
manual_compaction_test.cc	[rocksdb] do not trim range for level0 in manual compaction	12 years ago
murmurhash.cc	Implement RowLocks for assoc schema	12 years ago
murmurhash.h	Implement RowLocks for assoc schema	12 years ago
mutexlock.h	Implement ReadWrite locks for leveldb	12 years ago
options.cc	Compact multiple memtables before flushing to storage.	12 years ago
posix_logger.h	[RocksDB] Fix PosixLogger and AutoRollLogger thread safety	12 years ago
random.h	[RocksDB] Include 64bit random number generator	12 years ago
signal_test.cc	[RocksDB] fix build	12 years ago
stack_trace.h	[RocksDB] Add stacktrace signal handler	12 years ago
stats_logger.h	Clean up compiler warnings generated by -Wall option.	12 years ago
status.cc	[Rocksdb] Support Merge operation in rocksdb	12 years ago
stop_watch.h	[RocksDB] Simplify StopWatch implementation	12 years ago
string_util.cc	Ability to set different size fanout multipliers for every level.	12 years ago
string_util.h	Ability to set different size fanout multipliers for every level.	12 years ago
testharness.cc	Codemod NULL to nullptr	12 years ago
testharness.h	A number of fixes:	13 years ago
testutil.cc	Fix all warnings generated by -Wall option to the compiler.	12 years ago
testutil.h	Ability to configure bufferedio-reads, filesystem-readaheads and mmap-read-write per database.	12 years ago