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Andrew Kryczka 1b7af5fb1a Redo handling of recycled logs in full purge 
Summary:
This reverts commit 9e4aa798c3,
which doesn't handle all cases (see inline comment).

I reimplemented the logic as suggested in the initial PR: https://github.com/facebook/rocksdb/pull/1313.

This approach has two benefits:

- All the parsing/filtering of full_scan_candidate_files is kept together in PurgeObsoleteFiles.
- We only need to check whether log file is recycled in one place where we've already determined it's a log file

Test Plan:
new unit test, verified fails before the original fix, still passes
now.

Reviewers: IslamAbdelRahman, yiwu, sdong

Reviewed By: yiwu, sdong

Subscribers: leveldb, dhruba, andrewkr

Differential Revision: https://reviews.facebook.net/D64053
2016-10-12 23:13:09 -07:00
arcanist_util Fix arcanist 2016-10-12 20:11:30 -07:00
build_tools Support ZSTD with finalized format 2016-09-06 12:22:16 -07:00
cmake/modules cmake support for linux and osx (#1358) 2016-09-28 11:53:15 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Redo handling of recycled logs in full purge 2016-10-12 23:13:09 -07:00
docs Editorial change to README.md 2016-10-12 20:24:50 -07:00
examples Fix typo (#903) 2016-09-14 14:12:31 -07:00
hdfs Fix bug in UnScSigned-off-by: xh931076284 <931076284@qq.com> (#1336) 2016-09-14 10:17:34 -07:00
include/rocksdb Make txn->GetState() const 2016-10-11 15:48:50 -07:00
java Add missing RateLimiter class to the Windows build (#1382) 2016-10-12 15:00:37 -07:00
memtable Add SeekForPrev() to Iterator 2016-09-27 18:20:57 -07:00
port Add NoSpace subcode to IOError (#1320) 2016-09-07 12:37:45 -07:00
table Fix scoped arena iterator (#1387) 2016-10-12 11:16:16 -07:00
third-party Fix clang analyzer errors 2016-07-08 17:50:51 -07:00
tools cmake support for linux and osx (#1358) 2016-09-28 11:53:15 -07:00
util Fix log_write_bench -bytes_per_sync option. (#1375) 2016-10-11 16:45:51 -07:00
utilities Make Lock Info test multiple column families 2016-10-07 15:04:05 -07:00
.arcconfig Integrate Jenkins with Phabricator 2015-04-07 11:56:29 -07:00
.clang-format
.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 [doc] Document that Visual Studio 2015+ is now required for Windows builds (#1389) 2016-10-12 13:40:20 -07:00
CONTRIBUTING.md
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 Add Statistics::getAndResetTickerCount(). 2016-10-11 10:54:11 -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 Minor fixes around Windows 64 Java Artifacts (#1366) 2016-10-03 11:58:08 -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 Add Java API for SstFileWriter 2016-09-29 17:04:41 -04:00
thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -07:00
USERS.md Adding Dgraph to list of Users (#1291) 2016-09-12 17:33:44 -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/