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sdong b2ae5950ba Index Reader should not be reused after DB restart 
Summary:
In block based table reader, wow we put index reader to block cache, which can be retrieved after DB restart. However, index reader may reference internal comparator, which can be destroyed after DB restarts, causing problems.
Fix it by making cache key identical per table reader.

Test Plan: Add a new test which failed with out the commit but now pass.

Reviewers: IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: maro, yhchiang, kradhakrishnan, leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D55287
2016-03-14 10:04:09 -07:00
arcanist_util Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
build_tools Update dependencies / Fix Clang 2016-03-07 12:57:19 -08:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Index Reader should not be reused after DB restart 2016-03-14 10:04:09 -07:00
doc Lint everything 2015-11-16 12:56:21 -08:00
examples Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
hdfs Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
include/rocksdb Cache to have an option to fail Cache::Insert() when full 2016-03-10 17:35:19 -08:00
java Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
memtable Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
port Implement ConsistentChildrenAttribute 2016-02-19 14:20:34 -08:00
table Index Reader should not be reused after DB restart 2016-03-14 10:04:09 -07:00
third-party Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
tools Expose RepairDB as ldb command 2016-03-12 13:50:20 -08:00
util Add multithreaded transaction test 2016-03-11 15:16:52 -08:00
utilities Add multithreaded transaction test 2016-03-11 15:16:52 -08:00
.arcconfig Integrate Jenkins with Phabricator 2015-04-07 11:56:29 -07:00
.clang-format
.gitignore Ignore db_test2 2016-03-07 15:56:16 -08:00
.travis.yml Travis CI to disable ROCKSDB_LITE tests 2016-02-01 18:42:01 -08:00
appveyor.yml Exclude DBTest.FileCreationRandomFailure as a long running test 2015-11-17 13:54:13 -08:00
AUTHORS
CMakeLists.txt Cache to have an option to fail Cache::Insert() when full 2016-03-10 17:35:19 -08:00
CONTRIBUTING.md
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Update change log for 4.6 release 2016-03-12 13:51:57 -08:00
INSTALL.md Simple changes to support builds for ppc64[le] consistent with X86 2016-01-19 09:08:19 -06:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile Cache to have an option to fail Cache::Insert() when full 2016-03-10 17:35:19 -08:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
README.md
ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -07:00
src.mk Add multithreaded transaction test 2016-03-11 15:16:52 -08:00
thirdparty.inc Enable override to 3rd party linkage 2015-11-24 11:51:37 -08:00
USERS.md Add Wingify to USERS.md 2016-01-28 01:04:49 +05:30
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

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/