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Jay Edgar cdc4eb6892 Add a GetComparator() function to the ColumnFamilyHandle base class so that the user's comparator can be retrieved. 
Summary: MyRocks is adding support for the user of the SstFileWriter which needs a comparator.  It would be more convenient to get the comparator from the column family (which already has to have it) than to have caller keep track of it.

Test Plan: Standard tests (adding one for the new method)

Reviewers: IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D61155
 		2016-08-02 14:34:57 -07:00
arcanist_util Testing out parallel sandcastle changes 2016-07-27 11:58:57 -07:00
build_tools Fix to enable running CI jobs locally 2016-08-01 16:31:49 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Add a GetComparator() function to the ColumnFamilyHandle base class so that the user's comparator can be retrieved. 2016-08-02 14:34:57 -07:00
doc Lint everything 2015-11-16 12:56:21 -08:00
examples Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
hdfs using java7 in runtime for hdfs env (#1072) 2016-04-12 00:08:26 -04:00
include/rocksdb Add a GetComparator() function to the ColumnFamilyHandle base class so that the user's comparator can be retrieved. 2016-08-02 14:34:57 -07:00
java More granular steps in the Makefile, can help with running all or single Java tests (and with ASAN build - https://github.com/facebook/rocksdb/wiki/JNI-Debugging) (#1237) 2016-07-29 12:55:54 -07:00
memtable Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
port stack_trace,cc: The current Stacktrace code does not compile for FreeBSD (#1153) 2016-06-05 17:40:43 -07:00
table Experiments on column-aware encodings 2016-08-01 14:50:19 -07:00
third-party Fix clang analyzer errors 2016-07-08 17:50:51 -07:00
tools Write a benchmark to emulate time series data 2016-08-01 12:28:51 -07:00
util Persistent Read Cache (part 6) Block Cache Tier Implementation 2016-08-01 14:15:14 -07:00
utilities Add a GetComparator() function to the ColumnFamilyHandle base class so that the user's comparator can be retrieved. 2016-08-02 14:34:57 -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 Experiments on column-aware encodings 2016-08-01 14:50:19 -07:00
.travis.yml Re-enable linux on travis 2016-06-30 14:34:50 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Experiments on column-aware encodings 2016-08-01 14:50:19 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
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 Change options memtable_prefix_bloom_huge_page_tlb_size => memtable_huge_page_size and cover huge page to memtable too 2016-07-26 18:15:11 -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 Fix parallel tests `make check -j` 2016-08-01 17:22:07 -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
USERS.md Update USER.md to include more services at Facebook. 2016-07-06 14:27:08 -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
appveyor.yml Disable long running GroupCommitTest (#1125) 2016-05-19 10:29:49 -07:00
src.mk Experiments on column-aware encodings 2016-08-01 14:50:19 -07:00
thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -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/