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A library that provides an embeddable, persistent key-value store for fast storage.
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somnathr 9e4aa798c3 Summary: (#1313) 
If log recycling is enabled with the rocksdb (recycle_log_file_num=16)
 db->Writebatch is erroring out with keynotfound after ~5-6 hours of run
 (1M seq but can happen to any workload I guess).See my detailed bug
 report here (https://github.com/facebook/rocksdb/issues/1303).
 This commit is the fix for this, a check is been added not to delete
 the log file if it is already there in the recycle list.

Test Plan:
 Unit tested it and ran the similar profile. Not reproducing anymore.
2016-09-12 16:53:42 -07:00
arcanist_util Trigger more tests per diff 2016-09-02 16:30:47 -07:00
build_tools Support ZSTD with finalized format 2016-09-06 12:22:16 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Summary: (#1313) 2016-09-12 16:53:42 -07:00
docs Add real Google Analytics ID 2016-09-06 21:10:14 -07:00
examples Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
hdfs using java7 in runtime for hdfs env (#1072) 2016-04-12 00:08:26 -04:00
include/rocksdb add C api for set wal_recovery_mode (#1327) 2016-09-09 10:11:30 -07:00
java Allow an offset as well as a length to be specified for byte[] operations in RocksJava JNI (#1264) 2016-09-12 11:51:08 -07:00
memtable Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
port Add NoSpace subcode to IOError (#1320) 2016-09-07 12:37:45 -07:00
table Temporarily revert Prev() prefix support 2016-09-08 14:45:32 -07:00
third-party Fix clang analyzer errors 2016-07-08 17:50:51 -07:00
tools Support ZSTD with finalized format 2016-09-06 12:22:16 -07:00
util Move AddFile() tests to external_sst_file_test.cc 2016-09-07 15:41:54 -07:00
utilities Support ZSTD with finalized format 2016-09-06 12:22:16 -07:00
.arcconfig Integrate Jenkins with Phabricator 2015-04-07 11:56:29 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Experiments on column-aware encodings 2016-08-01 14:50:19 -07:00
.travis.yml Fix travis 2016-08-31 00:10:49 -07:00
appveyor.yml fix vs generator (#1269) 2016-08-10 09:08:13 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Move AddFile() tests to external_sst_file_test.cc 2016-09-07 15:41:54 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DEFAULT_OPTIONS_HISTORY.md Release RocksDB 4.8.0 2016-05-02 14:38:04 -07:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Release RocksDB 4.12 2016-09-12 12:34:08 -07:00
INSTALL.md Simple changes to support builds for ppc64[le] consistent with X86 2016-01-19 09:08:19 -06:00
LANGUAGE-BINDINGS.md Update LANGUAGE-BINDINGS.md 2016-07-15 13:09:30 +02:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile Move AddFile() tests to external_sst_file_test.cc 2016-09-07 15:41:54 -07:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
README.md Appveyor badge to show master branch 2016-07-26 13:54:08 -07:00
ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -07:00
src.mk Move AddFile() tests to external_sst_file_test.cc 2016-09-07 15:41:54 -07:00
thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -07:00
USERS.md Update USER.md to include more services at Facebook. 2016-07-06 14:27:08 -07:00
Vagrantfile RocksDB on FreeBSD support 2015-02-26 15:19:17 -08:00
WINDOWS_PORT.md Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00

README.md

RocksDB: A Persistent Key-Value Store for Flash and RAM Storage

Build Status Build status

RocksDB is developed and maintained by Facebook Database Engineering Team. It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com) and Jeff Dean (jeff@google.com)

This code is a library that forms the core building block for a fast key value server, especially suited for storing data on flash drives. It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it specially suitable for storing multiple terabytes of data in a single database.

Start with example usage here: https://github.com/facebook/rocksdb/tree/master/examples

See the github wiki for more explanation.

The public interface is in include/. Callers should not include or rely on the details of any other header files in this package. Those internal APIs may be changed without warning.

Design discussions are conducted in https://www.facebook.com/groups/rocksdb.dev/