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

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Igor Canadi db03739340 options.level_compaction_dynamic_level_bytes to allow RocksDB to pick size bases of levels dynamically. ... Summary: When having fixed max_bytes_for_level_base, the ratio of size of largest level and the second one can range from 0 to the multiplier. This makes LSM tree frequently irregular and unpredictable. It can also cause poor space amplification in some cases. In this improvement (proposed by Igor Kabiljo), we introduce a parameter option.level_compaction_use_dynamic_max_bytes. When turning it on, RocksDB is free to pick a level base in the range of (options.max_bytes_for_level_base/options.max_bytes_for_level_multiplier, options.max_bytes_for_level_base] so that real level ratios are close to options.max_bytes_for_level_multiplier. Test Plan: New unit tests and pass tests suites including valgrind. Reviewers: MarkCallaghan, rven, yhchiang, igor, ikabiljo Reviewed By: ikabiljo Subscribers: yoshinorim, ikabiljo, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D31437		10 years ago
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utilities	Fix a bug in ReadOnlyBackupEngine	10 years ago
c.h	maint: remove extraneous "const" attribute from return type	10 years ago
cache.h	Remove unused member(s)	10 years ago
compaction_filter.h	Add missing include to use std::unique_ptr	11 years ago
comparator.h	CompactFiles, EventListener and GetDatabaseMetaData	10 years ago
db.h	Add rocksdb.num-live-versions: number of live versions	10 years ago
env.h	rocksdb: Add missing override	10 years ago
filter_policy.h	Implement full filter for block based table.	10 years ago
flush_block_policy.h	move block based table related options BlockBasedTableOptions	11 years ago
immutable_options.h	options.level_compaction_dynamic_level_bytes to allow RocksDB to pick size bases of levels dynamically.	10 years ago
iostats_context.h	Fix ios compile	11 years ago
iterator.h	Add License message to public header files.	11 years ago
ldb_tool.h	[RocksDB] allow LDB tool to have customized key formatter	11 years ago
listener.h	Add compaction listener.	10 years ago
memtablerep.h	Enforce write buffer memory limit across column families	10 years ago
merge_operator.h	Enhance partial merge to support multiple arguments	11 years ago
metadata.h	Fixed -WShadow errors in db/db_test.cc and include/rocksdb/metadata.h	10 years ago
options.h	options.level_compaction_dynamic_level_bytes to allow RocksDB to pick size bases of levels dynamically.	10 years ago
perf_context.h	Instrument memtable seeks	10 years ago
rate_limiter.h	expose RateLimiter definition	11 years ago
slice.h	Fix implicit compare	10 years ago
slice_transform.h	Unaddressed comment in previous diff. Change only in code comments.	10 years ago
sst_dump_tool.h	Dump routine to BlockBasedTableReader	10 years ago
statistics.h	Added RocksDB stats GET_HIT_L0 and GET_HIT_L1	10 years ago
status.h	CompactFiles, EventListener and GetDatabaseMetaData	10 years ago
table.h	Add columnfamily option optimize_filters_for_hits to optimize for key hits only	10 years ago
table_properties.h	TablePropertiesCollectorFactory	11 years ago
thread_status.h	Add a counter for collecting the wait time on db mutex.	10 years ago
transaction_log.h	Revert "Fix bad merge of D16791 and D16767"	11 years ago
types.h	Add License message to public header files.	11 years ago
universal_compaction.h	Support Multiple DB paths (without having an interface to expose to users)	11 years ago
version.h	New BlockBasedTable version -- better compressed block format	10 years ago
write_batch.h	Remove the use of exception in WriteBatch::Handler	10 years ago