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Redisson - distributed and scalable Java data structures (Set, SortedSet, Map, ConcurrentMap, List, Queue, BlockingQueue, Deque, Lock, AtomicLong, CountDownLatch, Publish / Subscribe, HyperLogLog, Redis pipelining) on top of Redis server. Based on own high-performance async and lock-free Java Redis client

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##Redisson - distributed and scalable Java data structures on top of Redis server. Advanced Java Redis client

Use familiar Java data structures with power of Redis.

Based on high-performance async and lock-free Java Redis client and Netty 4 framework.
Redis 2.8+ and JDK 1.6+ compatible

Read wiki for more Redisson usage details

Licensed under the Apache License 2.0.

Features

  • Cluster servers mode:
    1. automatic master discovery
    2. automatic new master server discovery
    3. automatic slots change discovery
  • Sentinel servers mode:
    1. automatic master and slave servers discovery
    2. automatic new master server discovery
    3. automatic new slave servers discovery
    4. automatic slave servers offline/online discovery
    5. automatic sentinel servers discovery
    6. read data using slave servers, write data using master server
  • Master with Slave servers mode: read data using slave servers, write data using master server
  • Single server mode: read and write data using single server
  • Lua scripting
  • Distributed implementation of java.util.List
  • Distributed implementation of java.util.Set
  • Distributed implementation of java.util.SortedSet
  • Distributed implementation of java.util.Queue
  • Distributed implementation of java.util.concurrent.BlockingQueue
  • Distributed implementation of java.util.Deque
  • Distributed implementation of java.util.Map
  • Distributed implementation of java.util.concurrent.ConcurrentMap
  • Distributed implementation of reentrant java.util.concurrent.locks.Lock with TTL support
  • Distributed alternative to the java.util.concurrent.atomic.AtomicLong
  • Distributed alternative to the java.util.concurrent.CountDownLatch
  • Distributed publish/subscribe messaging via org.redisson.core.RTopic
  • Distributed HyperLogLog via org.redisson.core.RHyperLogLog
  • Asynchronous interface for each object
  • Thread-safe implementation
  • All commands are executed in an atomic way
  • Supports Redis pipelining (command batches)
  • Supports OSGi
  • With over 210 unit tests

Projects using Redisson

Setronica: setronica.com
Monits: monits.com
Brookhaven National Laboratory: bnl.gov
Netflix Dyno client: [dyno] (https://github.com/Netflix/dyno)
武林Q传:nbrpg
Recent Releases

####Please Note: trunk is current development branch.

####15-Aug-2015 - version 2.1.1 released
Feature - all keys operations extracted to RKeys interface
Feature - RKeys.getKeys, RKeys.getKeysByPattern and RKeys.randomKeymethods added
Feature - RBlockingQueueAsync.drainToAsync method added
Feature - Redis nodes info and ping operations via Redisson.getNodesGroup or Redisson.getClusterNodesGroup now available
Improvement - added sentinel nodes discovery
Fixed - command encoding errors handling
Fixed - cluster empty slot handling
Fixed - connection hangs when there are no slaves in sentinel mode
Fixed - activate master as slave when there are no more available slaves in sentinel mode
Fixed - skip disconnected sentinels during startup
Fixed - slave node discovery in sentinel mode which has been disconnected since start
Deprecated - Redisson methods deleteAsync, delete, deleteByPatternAsync, deleteByPattern, findKeysByPatternAsync, findKeysByPattern. Use same methods with RKeys interface

####03-Aug-2015 - version 2.1.0 released
Feature - RTopic subscribtion/unsubscription status listener added
Feature - RSet: removeRandom and removeRandomAsync methods added
Improvement - RList: retainAll,containsAll, indexOf, lastIndexOf optimization
Breaking api change - findKeysByPattern response interface changed to Collection
Breaking api change - RTopic message listener interface changed
Fixed - NPE during cluster mode start
Fixed - timeout timer interval calculation
Fixed - RBatch NPE's with very big commands list
Fixed - RBucket.set with timeout

####26-Jul-2015 - version 2.0.0 released
Starting from 2.0.0 version Redisson has a new own async and lock-free Redis client under the hood. Thanks to the new architecture pipline (command batches) support has been implemented and a lot of code has gone.

Feature - new RObject methods: move, moveAsync, migrate, migrateAsync
Feature - new async interfaces: RAsyncMap, RAtomicLongAsync, RBlockingQueueAsync, RCollectionAsync, RDequeAsync, RExpirableAsync, RHyperLogLogAsync, RListAsync, RObjectAsync, RQueueAsync, RScriptAsync, RSetAsync, RTopicAsync
Feature - multiple commands batch (Redis pipelining) support via Redisson.createBatch method
Feature - new methods flushall, deleteAsync, delete, deleteByPatternAsync, deleteByPattern, findKeysByPatternAsync, findKeysByPattern added to RedissonClient interface
Improvement - closed channel detection speedup

####22-Jul-2015 - version 1.3.1 released
Fixed - requests state sync during shutdown
Fixed - netty-transport-native-epoll is now has a provided scope
Fixed - NPE during BlockingQueue.poll invocation

####04-Jul-2015 - version 1.3.0 released Feature - RQueue.pollLastAndOfferFirstTo method added
Feature - RObject.rename, RObject.renameAsync, RObject.renamenx, RObject.renamenxAsync methods added
Feature - RList.getAsync, RList.addAsync, RList.addAllAsync methods added
Feature - RObject.deleteAsync method added
Feature - unix sockets support via Configuration.useLinuxNativeEpoll setting
Feature - Redisson.getTopicPattern method added (thanks to alex-sherwin)
Improvement - RLock auto-unlock then client lock-owner is gone (thanks to AndrewKolpakov)
Improvement - lua scripts used instead of multi/exec commands to avoid connection errors during execution (thanks to AndrewKolpakov)
Improvement - RObject.delete method now returns boolean status
Improvement - propagate Command processing exceptions to ConnectionManager (thanks to marko-stankovic)
Improvement - KryoCodec classes registration ability added
Fixed - slave status handling in Sentinel mode
Fixed - String codec
Fixed - Cluster ASKING command support
Fixed - RedissonBlockingQueue#drainTo method (thanks to Sergey Poletaev)
Fixed - Cluster.STATE.HANDSHAKE enum added
Fixed - RedissonClient.getScript method added
Fixed - BlockingQueue.poll method
Fixed - Incorrect map key encoding makes hmget return no fields when string keys are used (thanks to sammiq)

####02-Apr-2015 - version 1.2.1 released Feature - all redis-script commands via 'RScript' object
Feature - implementation of java.util.concurrent.BlockingQueue (thanks to pdeschen)
Feature - buckets load by pattern (thanks to mathieucarbou)
Improvement - IPv6 support
Improvement - isEmpty checks for added collections
Fixed - KryoCodec keys decoding (thanks to mathieucarbou)
Fixed - RMap.addAndGet() data format
Fixed - timeout support in cluster, sentinel and single connections configurations
Fixed - ClassCastException in RedissonCountDownLatch.trySetCount
Fixed - RMap.replace concurrency issue (thanks to AndrewKolpakov)
Fixed - RLock subscription timeout units fixed (thanks to AndrewKolpakov)
Fixed - Re-throw async exceptions (thanks to AndrewKolpakov)

####09-Jan-2015 - version 1.2.0 released Feature - cluster mode support
Fixed - RList iterator race conditions
Fixed - RDeque.addFirst RDeque.addLast methods
Fixed - OSGi support

####16-Dec-2014 - version 1.1.7 released Improvement - RAtomicLong optimization
Fixed - RMap.fastRemove and RMap.getAll methods
Fixed - RTopic listeners re-subscribing in sentinel mode
Fixed - RSet.toArray and RSet.iterator values order
Fixed - keys iteration in RMap.getAll
Fixed - RSet iteration
Fixed - RAtomicLong NPE
Fixed - infinity loop during master/slave connection acquiring
Fixed - RedissonList.addAll result

####18-Nov-2014 - version 1.1.6 released Feature - RBucket.exists and RBucket.existsAsync methods added
Feature - RMap.addAndGet method added
Feature - database index via database and operation timeout via timeout config params added
Improvement - RLock optimization
Breaking api change - Redisson now uses RedissonClient interface
Fixed - NPE in CommandOutput
Fixed - unsubscribing during RTopic.removeListener
Fixed - all object names encoding, no more quotes
Fixed - HashedWheelTimer shutdown
Fixed - RLock race conditions (thanks to jsotuyod and AndrewKolpakov)
Fixed - RCountDownLatch race conditions

####23-Jul-2014 - version 1.1.5 released Feature - operations auto-retry. retryAttempts and retryInterval params added for each connection type
Feature - RMap.filterEntries, RMap.getAll, RMap.filterKeys, RMap.filterValues methods added
Feature - RMap.fastRemove, RMap.fastRemoveAsync, RMap.fastPut & RMap.fastPutAsync methods added
Fixed - async operations timeout handling
Fixed - sorting algorithm used in RSortedSet.

####15-Jul-2014 - version 1.1.4 released Feature - new RLock.lockInterruptibly, RLock.tryLock, RLock.lock methods with TTL support
Fixed - pub/sub connections reattach then slave/master down
Fixed - turn off connection watchdog then slave/master down
Fixed - sentinel master switch
Fixed - slave down connection closing

####13-Jul-2014 - version 1.1.3 released Improvement - RedissonCountDownLatch optimization
Improvement - RedissonLock optimization
Fixed - RedissonLock thread-safety
Fixed - master/slave auth using Sentinel servers
Fixed - slave down handling using Sentinel servers

####03-Jul-2014 - version 1.1.2 released Improvement - RedissonSet.iterator implemented with sscan
Improvement - RedissonSortedSet.iterator optimization
Feature - RSortedSet.removeAsync, RSortedSet.addAsync, RSet.removeAsync, RSet.addAsync methods added
Feature - slave up/down detection in Sentinel servers connection mode
Feature - new-slave automatic discovery in Sentinel servers connection mode

####17-June-2014 - version 1.1.1 released Feature - sentinel servers support
Fixed - connection leak in RTopic
Fixed - setted password not used in single server connection

####07-June-2014 - version 1.1.0 released Feature - master/slave connection management
Feature - simple set/get object support via org.redisson.core.RBucket
Feature - hyperloglog support via org.redisson.core.RHyperLogLog
Feature - new methods getAsync, putAsync and removeAsync added to org.redisson.core.RMap
Feature - new method publishAsync added to org.redisson.core.RTopic
Feature - Kryo codec added (thanks to mathieucarbou)
Breaking api change - org.redisson.Config model changed
Fixed - score calucaltion algorithm used in RSortedSet.
Fixed - RMap.put & RMap.remove result consistency fixed.
Fixed - RTopic.publish now returns the number of clients that received the message
Fixed - reconnection handling (thanks to renzihui)
Improvement - org.redisson.core.RTopic now use lazy apporach for subscribe/unsubscribe

####04-May-2014 - version 1.0.4 released Feature - distributed implementation of java.util.Deque
Feature - some objects implements org.redisson.core.RExpirable
Fixed - JsonJacksonCodec lazy init

####26-Mar-2014 - version 1.0.3 released Fixed - RedissonAtomicLong state format
Fixed - Long serialization in JsonJacksonCodec

####05-Feb-2014 - version 1.0.2 released Feature - distributed implementation of java.util.SortedSet
Fixed - OSGi compability

####17-Jan-2014 - version 1.0.1 released Improvement - forceUnlock, isLocked, isHeldByCurrentThread and getHoldCount methods added to RLock
Feature - connection load balancer to use multiple Redis servers
Feature - published in maven central repo

####11-Jan-2014 - version 1.0.0 released First stable release.

Maven

Include the following to your dependency list:

<dependency>
   <groupId>org.redisson</groupId>
   <artifactId>redisson</artifactId>
   <version>2.1.1</version>
</dependency>

Supported by

YourKit is kindly supporting this open source project with its full-featured Java Profiler. YourKit, LLC is the creator of innovative and intelligent tools for profiling Java and .NET applications. Take a look at YourKit's leading software products: YourKit Java Profiler and YourKit .NET Profiler.

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Redisson - distributed and scalable Java data structures (Set, SortedSet, Map, ConcurrentMap, List, Queue, BlockingQueue, Deque, Lock, AtomicLong, CountDownLatch, Publish / Subscribe, HyperLogLog, Redis pipelining) on top of Redis server. Based on own high-performance async and lock-free Java Redis client

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