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rocksdb/java/HISTORY-JAVA.md
Yueh-Hsuan Chiang 403636842a [Java] Add HISTORY-JAVA.md and include both C++ and Java history files in .jar. 
Summary:
Add HISTORY-JAVA.md and include both C++ and Java history files in .jar file
that describes important chagnes of RocksJava.

Test Plan: make rocksdbjava and make sure HISTORY.md is inside the .jar file

Reviewers: haobo, sdong, ankgup87

Reviewed By: ankgup87

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19185
2014-06-20 23:18:25 -07:00

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RocksJava Change Log

By 06/15/2014

New Features

  • Added basic Java binding for rocksdb::Env such that multiple RocksDB can share the same thread pool and environment.
  • Added RestoreBackupableDB

By 05/30/2014

Internal Framework Improvement

  • Added disOwnNativeHandle to RocksObject, which allows a RocksObject to give-up the ownership of its native handle. This method is useful when sharing and transferring the ownership of RocksDB C++ resources.

By 05/15/2014

New Features

  • Added RocksObject --- the base class of all RocksDB classes which holds some RocksDB resources in the C++ side.
  • Use environmental variable JAVA_HOME in Makefile for RocksJava

Public API changes

  • Renamed org.rocksdb.Iterator to org.rocksdb.RocksIterator to avoid potential confliction with Java built-in Iterator.

By 04/30/2014

New Features

  • Added Java binding for MultiGet.
  • Added static method RocksDB.loadLibrary(), which loads necessary library files.
  • Added Java bindings for 60+ rocksdb::Options.
  • Added Java binding for BloomFilter.
  • Added Java binding for ReadOptions.
  • Added Java binding for memtables.
  • Added Java binding for sst formats.
  • Added Java binding for RocksDB Iterator which enables sequential scan operation.
  • Added Java binding for Statistics
  • Added Java binding for BackupableDB.

DB Benchmark

  • Added filluniquerandom, readseq benchmark.
  • 70+ command-line options.
  • Enabled BloomFilter configuration.

By 04/15/2014

New Features

  • Added Java binding for WriteOptions.
  • Added Java binding for WriteBatch, which enables batch-write.
  • Added Java binding for rocksdb::Options.
  • Added Java binding for block cache.
  • Added Java version DB Benchmark.

DB Benchmark

  • Added readwhilewriting benchmark.

Internal Framework Improvement

  • Avoid a potential byte-array-copy between c++ and Java in RocksDB.get.
  • Added SizeUnit in org.rocksdb.util to store consts like KB and GB.

03/28/2014

  • RocksJava project started.
  • Added Java binding for RocksDB, which supports Open, Close, Get and Put.