Redis based In-Memory Data Grid for Java. Redisson.
====
Based on high-performance async and lock-free Java Redis client and [Netty](http://netty.io) framework.
Redis 2.8+ compatible.
| Stable Release Version | JDK Version compatibility | Release Date |
| ------------- | ------------- | ------------|
| 3.2.2 | 1.8+ | 19.12.2016 |
| 2.7.2 | 1.6+ | 19.12.2016 |
__NOTE__: Both version lines have same features except `CompletionStage` interface supported by 3.x.x line
Please read [documentation](https://github.com/redisson/redisson/wiki) for more details.
Redisson [releases history](https://github.com/redisson/redisson/blob/master/CHANGELOG.md)
Checkout more [code examples](https://github.com/redisson/redisson-examples)
Browse [javadocs](http://www.javadoc.io/doc/org.redisson/redisson/3.2.2)
Licensed under the Apache License 2.0.
Welcome to support chat [](https://gitter.im/mrniko/redisson?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
####Try [Redisson PRO](https://redisson.pro) version.
####Redisson team offers commercial support. Please contact sales@redisson.pro for details.
Features
================================
* [AWS ElastiCache](http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/Replication.html) mode:
1. automatic master server change discovery
* [AWS ElastiCache Cluster](http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/Clusters.html) 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 slots change discovery
* Cluster 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 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
* Master with Slave servers mode
* Single server mode
* Asynchronous interface for each object
* Asynchronous connection pool
* Thread-safe implementation
* Lua scripting
* [Distributed objects](https://github.com/redisson/redisson/wiki/6.-Distributed-objects)
Object holder, Binary stream holder, Geospatial holder, BitSet, AtomicLong, AtomicDouble, PublishSubscribe,
Bloom filter, HyperLogLog
* [Distributed collections](https://github.com/redisson/redisson/wiki/7.-Distributed-collections)
Map, Multimap, Set, List, SortedSet, ScoredSortedSet, LexSortedSet, Queue, Deque, Blocking Queue, Bounded Blocking Queue, Blocking Deque, Delayed Queue
* [Distributed locks and synchronizers](https://github.com/redisson/redisson/wiki/8.-Distributed-locks-and-synchronizers)
Lock, FairLock, MultiLock, RedLock, ReadWriteLock, Semaphore, PermitExpirableSemaphore, CountDownLatch
* [Distributed services](https://github.com/redisson/redisson/wiki/9.-distributed-services)
Remote service, Live Object service, Executor service, Scheduler service
* [Spring Cache](https://github.com/redisson/redisson/wiki/14.-Integration%20with%20frameworks/#141-spring-cache) implementation
* [Hibernate Cache](https://github.com/redisson/redisson/wiki/14.-Integration%20with%20frameworks/#142-hibernate-cache) implementation
* [JCache API (JSR-107)](https://github.com/redisson/redisson/wiki/14.-Integration%20with%20frameworks/#143-jcache-api-jsr-107-implementation) implementation
* [Tomcat Session Manager](https://github.com/redisson/redisson/wiki/14.-Integration%20with%20frameworks#144-tomcat-redis-session-manager) implementation
* [Spring Session](https://github.com/redisson/redisson/wiki/14.-Integration%20with%20frameworks/#145-spring-session) implementation
* [Reactive Streams](https://github.com/redisson/redisson/wiki/3.-operations-execution#32-reactive-way)
* [Redis pipelining](https://github.com/redisson/redisson/wiki/10.-additional-features#102-execution-batches-of-commands) (command batches)
* Supports Android platform
* Supports auto-reconnect
* Supports failed to send command auto-retry
* Supports OSGi
* Supports many popular codecs ([Jackson JSON](https://github.com/FasterXML/jackson), [Avro](http://avro.apache.org/), [Smile](http://wiki.fasterxml.com/SmileFormatSpec), [CBOR](http://cbor.io/), [MsgPack](http://msgpack.org/), [Kryo](https://github.com/EsotericSoftware/kryo), [FST](https://github.com/RuedigerMoeller/fast-serialization), [LZ4](https://github.com/jpountz/lz4-java), [Snappy](https://github.com/xerial/snappy-java) and JDK Serialization)
* With over 1000 unit tests
Who uses Redisson
================================
[Baidu](http://baidu.com), [Infor](http://www.infor.com/), [New Relic Synthetics](https://newrelic.com/synthetics), [Singtel](http://singtel.com), [Setronica](http://setronica.com/), [Monits](http://monits.com/), [Brookhaven National Laboratory](http://bnl.gov/), [Netflix Dyno client] (https://github.com/Netflix/dyno), [武林Q传](http://www.nbrpg.com/), [Ocous](http://www.ocous.com/), [Invaluable](http://www.invaluable.com/), [Clover](https://www.clover.com/) , [Apache Karaf Decanter](https://karaf.apache.org/projects.html#decanter), [Atmosphere Framework](http://async-io.org/), [BrandsEye](http://brandseye.com), [Datorama](http://datorama.com/), [BrightCloud](http://brightcloud.com/), [Azar](http://azarlive.com/)
Articles
================================
[Java data structures powered by Redis. Introduction to Redisson (pdf)](https://redisson.org/Redisson.pdf)
[A Look at the Java Distributed In-Memory Data Model (Powered by Redis)](https://dzone.com/articles/java-distributed-in-memory-data-model-powered-by-r)
[Distributed tasks Execution and Scheduling in Java, powered by Redis](https://dzone.com/articles/distributed-tasks-execution-and-scheduling-in-java)
[Introducing Redisson Live Objects (Object Hash Mapping)](https://dzone.com/articles/introducing-redisson-live-object-object-hash-mappi)
[Java Remote Method Invocation with Redisson](https://dzone.com/articles/java-remote-method-invocation-with-redisson)
[Java Multimaps With Redis](https://dzone.com/articles/multimaps-with-redis)
[Distributed lock with Redis](https://evuvatech.com/2016/02/05/distributed-lock-with-redis/)
Success stories
================================
[Moving from Hazelcast to Redis](https://engineering.datorama.com/moving-from-hazelcast-to-redis-b90a0769d1cb)
Quick start
===============================
#### Maven
org.redisson
redisson
3.2.2
org.redisson
redisson
2.7.2
#### Gradle
// JDK 1.8+ compatible
compile 'org.redisson:redisson:3.2.2'
// JDK 1.6+ compatible
compile 'org.redisson:redisson:2.7.2'
#### Java
```java
// 1. Create config object
Config = ...
// 2. Create Redisson instance
RedissonClient redisson = Redisson.create(config);
// 3. Get object you need
RMap map = redisson.getMap("myMap");
RLock lock = redisson.getLock("myLock");
RExecutorService executor = redisson.getExecutorService("myExecutorService");
// over 30 different objects and services ...
```
Downloads
===============================
[Redisson 3.2.2](https://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=org.redisson&a=redisson&v=3.2.2&e=jar),
[Redisson node 3.2.2](https://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=org.redisson&a=redisson-all&v=3.2.2&e=jar)
[Redisson 2.7.2](https://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=org.redisson&a=redisson&v=2.7.2&e=jar),
[Redisson node 2.7.2](https://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=org.redisson&a=redisson-all&v=2.7.2&e=jar)
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