A library that provides an embeddable, persistent key-value store for fast storage.
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Ari Ekmekji 6db0a939d2 Fix DBCompactionTest failure with parallel L0-L1 compactions
Summary:
The test SuggestCompactRangeNoTwoLevel0Compactions in
DBCompactionTest fails when there are parallel L0-L1 compactions
taking place because the test makes sure that only one compaction
involving L0 takes place at any given time (since before having
parallel compactions this was impossible). I changed the test to only
run with DBOptions.max_subcompactions=1 so as to not hit this issue
which is not a correctness issue but just an inherent changing of
assumptions after introducing parallel compactions.

This failed after landing https://reviews.facebook.net/D43269#inline-321303
so now this should fix it

Test Plan: make all && make check

Reviewers: yhchiang, igor, anthony, noetzli, sdong

Reviewed By: sdong

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D46617
2015-09-10 14:37:00 -07:00
arcanist_util Fix linters on non-fb machines 2015-08-11 11:36:12 -07:00
build_tools CI job improvements 2015-09-10 14:29:41 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Fix DBCompactionTest failure with parallel L0-L1 compactions 2015-09-10 14:37:00 -07:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples Fix compact_files_example 2015-08-25 12:29:44 -07:00
hdfs [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
include/rocksdb Determine boundaries of subcompactions 2015-09-10 13:50:00 -07:00
java Fixed a compile warning in rocksjni/loggerjnicallback.cc 2015-09-02 15:07:44 -07:00
port Set max_open_files based on ulimit 2015-09-10 10:49:28 -07:00
table Added Equal method to Comparator interface 2015-09-08 15:30:49 -07:00
third-party "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
tools Tests for ManifestDumpCommand and ListColumnFamiliesCommand 2015-09-08 14:23:42 -07:00
util Fixed minor issue in CompressionTypeSupported() 2015-09-09 16:36:19 -07:00
utilities Transaction stats 2015-09-09 13:35:53 -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 Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
.travis.yml Run travis tests on OS X 2015-09-09 19:56:08 -07:00
appveyor.yml Add auto-build manifest for appveyor 2015-08-07 15:37:46 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Refactored common code of Builder/CompactionJob out into a CompactionIterator 2015-09-10 14:35:25 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Release RocksDB 4.0.0 2015-09-09 16:01:03 -07:00
INSTALL.md Fixed a typo in INSTALL.md 2015-09-03 19:46:09 -07:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile Fixed the build issue of rocksdbjavastaticrelease 2015-09-01 11:07:43 -07:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
README.md Replaced "built on on earlier work" by "built on earlier work" in README.md 2014-09-17 01:16:17 -07:00
ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -07:00
src.mk Refactored common code of Builder/CompactionJob out into a CompactionIterator 2015-09-10 14:35:25 -07:00
thirdparty.inc Conditional use of third-party libraries 2015-07-09 14:42:41 -07:00
USERS.md Add Cloudera's blog post to USERS.md 2015-09-02 14:04:51 -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

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

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/