A library that provides an embeddable, persistent key-value store for fast storage.
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Maysam Yabandeh 0b80f6b380 WritePrepared: script to analyze stress test failures (#5033)
Summary:
This the hackish script we used to find the root cause of failures in transaction stress tests. It is not well-written and does not require rigorous reviewing but it is better than starting from scratch each time we observe an issue. The stress tests would just say that at which snapshots the sum of all the keys in a set is inconsistent with another set. To help debugging one need to know which key exactly returned inconsistent results. The script looks at the transactions between two conflicting snapshots, and performs thee changes manually to see for which key the read value was inconsistent.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5033

Differential Revision: D14280362

Pulled By: maysamyabandeh

fbshipit-source-id: d5826055c46711460ba81480d96cb5ea082814a5
2019-03-01 09:18:40 -08:00
buckifier Add load statements to rocksdb TARGETS files 2019-02-13 14:08:21 -08:00
build_tools Separate crash test with atomic flush (#4945) 2019-02-19 14:08:39 -08:00
cache Introduce an enum for flag types in LRUHandle (#5024) 2019-02-28 11:54:24 -08:00
cmake Make FindZLIB consistent with official definitions (#4823) 2019-01-02 12:49:57 -08:00
coverage Remove unused imports, from python scripts. (#4057) 2018-06-26 12:43:04 -07:00
db Call PreReleaseCallback between WAL and memtable write (#5015) 2019-02-28 15:49:11 -08:00
docs Insane line length detected (#4813) 2018-12-21 14:54:34 -08:00
env Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
examples Pin top-level index on partitioned index/filter blocks (#4037) 2018-06-22 15:27:46 -07:00
hdfs Update all unique/shared_ptr instances to be qualified with namespace std (#4638) 2018-11-09 11:19:58 -08:00
include/rocksdb Add two more StatsLevel (#5027) 2019-02-28 10:27:59 -08:00
java Fix DefaultEnvTest.incBackgroundThreadsIfNeeded test (#5021) 2019-02-28 14:48:57 -08:00
memtable Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
monitoring Add two more StatsLevel (#5027) 2019-02-28 10:27:59 -08:00
options add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
port Detect if Jemalloc is linked with the binary (#4844) 2019-01-03 16:30:12 -08:00
table Add two more StatsLevel (#5027) 2019-02-28 10:27:59 -08:00
third-party Support pragma once in all header files and cleanup some warnings (#4339) 2018-09-05 18:13:31 -07:00
tools WritePrepared: script to analyze stress test failures (#5033) 2019-03-01 09:18:40 -08:00
util Add two more StatsLevel (#5027) 2019-02-28 10:27:59 -08:00
utilities WritePrepared: commit only from the 2nd queue (#5014) 2019-02-28 15:23:34 -08:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore RocksDB Trace Analyzer (#4091) 2018-08-13 11:44:02 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Fix printf formatting on MacOS (#4533) 2018-10-19 14:46:09 -07:00
appveyor.yml Add RocksJava build to AppVeyor 2019-01-03 10:44:44 -08:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
CODE_OF_CONDUCT.md Add Code of Conduct 2017-12-05 18:42:35 -08:00
CONTRIBUTING.md Add Code of Conduct 2017-12-05 18:42:35 -08:00
COPYING Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
DEFAULT_OPTIONS_HISTORY.md options.delayed_write_rate use the rate of rate_limiter by default. 2017-05-24 09:58:24 -07:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Add two more StatsLevel (#5027) 2019-02-28 10:27:59 -08:00
INSTALL.md Update the version of the dependencies used by the RocksJava static build (#4761) 2018-12-18 20:25:43 -08:00
issue_template.md Add a template for issues 2017-09-29 11:41:28 -07:00
LANGUAGE-BINDINGS.md Added PingCaps Rust RocksDB and ObjectiveRocks (#4065) 2018-06-27 15:43:21 -07:00
LICENSE.Apache Change RocksDB License 2017-07-15 16:11:23 -07:00
LICENSE.leveldb Add back the LevelDB license file 2017-07-16 18:42:18 -07:00
Makefile Add missing functionality to RocksJava (#4833) 2019-02-22 14:46:46 -08:00
README.md Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Add missing functionality to RocksJava (#4833) 2019-02-22 14:46:46 -08:00
TARGETS add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
thirdparty.inc Provide a way to override windows memory allocator with jemalloc for ZSTD 2018-06-04 12:12:48 -07:00
USERS.md Adding IOTA Foundation to USERS.MD (#4436) 2018-10-02 10:03:46 -07:00
Vagrantfile Adding CentOS 7 Vagrantfile & build script 2018-02-26 15:27:17 -08:00
WINDOWS_PORT.md Add GCC 8 to Travis (#3433) 2018-07-13 10:58:06 -07:00

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

Linux/Mac Build Status Windows Build status PPC64le 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/

License

RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.