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sdong 953a885ebf A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge 
Summary:
Currently users have no idea a key is add, delete or merge from TablePropertiesCollector call back. Add a new function to add it.

Also refactor the codes so that
(1) make table property collector and internal table property collector two separate data structures with the later one now exposed
(2) table builders only receive internal table properties

Test Plan: Add cases in table_properties_collector_test to cover both of old and new ways of using TablePropertiesCollector.

Reviewers: yhchiang, igor.sugak, rven, igor

Reviewed By: rven, igor

Subscribers: meyering, yoshinorim, maykov, leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D35373
2015-04-06 10:27:21 -07:00
build_tools Script to trigger jenkins test 2015-03-31 08:56:40 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge 2015-04-06 10:27:21 -07:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples Fix formatting 2015-02-09 09:53:30 -08:00
hdfs Remove unused parameter in CancelAllBackgroundWork 2015-03-16 21:07:54 -07:00
include A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge 2015-04-06 10:27:21 -07:00
java Fixed a typo in RocksDBSample.java 2015-03-25 11:09:30 -07:00
linters Return fbson 2015-02-27 00:04:14 +03:00
port stack_trace.cc: fix #elif check for OS_MACOSX 2015-03-17 12:00:55 +01:00
table A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge 2015-04-06 10:27:21 -07:00
third-party Update COMMIT.md 2015-03-30 17:48:16 -07:00
tools Add --stats_interval_seconds to db_bench 2015-03-30 12:58:32 -07:00
util A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge 2015-04-06 10:27:21 -07:00
utilities Fix crash caused by opening an empty DB in readonly mode 2015-04-01 16:55:08 -07:00
.arcconfig build: abbreviate AR command, too 2015-02-19 11:48:09 -08:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore rocksdb: changes to support 'make analyze' in Jenkins 2015-02-23 17:45:25 -08:00
.travis.yml Only run db_test in Travis 2015-03-17 15:24:16 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
HISTORY.md A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge 2015-04-06 10:27:21 -07:00
INSTALL.md Optimize default compile to compilation platform by default 2014-12-15 11:29:41 +01:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile Makefile minor cleanup 2015-03-30 16:05:35 -04:00
PATENTS Fix the patent format 2013-10-16 15:37:32 -07:00
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 RocksDBLite 2014-04-15 13:39:26 -07:00
src.mk Makefile minor cleanup 2015-03-30 16:05:35 -04:00
Vagrantfile RocksDB on FreeBSD support 2015-02-26 15:19:17 -08:00

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/