Redis based In-Memory Data Grid for Java. Redisson.

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

Stable Release Version	JDK Version compatibility	Release Date
3.3.1	1.8+	03.03.2017
2.8.1	1.6, 1.7, 1.8 and Android	03.03.2017

NOTE: Both version lines have same features except CompletionStage interface added in 3.x.x

Features

Replicated servers mode (also supports AWS ElastiCache and Azure Redis Cache):
1. automatic master server change discovery
Cluster servers mode (also supports AWS ElastiCache Cluster and Azure Redis Cache):
1. automatic master and slave servers discovery
2. automatic status and topology update
3. automatic slots change discovery
Sentinel servers mode:
1. automatic master, slave and sentinel servers discovery
2. automatic status and topology update
Master with Slave servers mode
Single server mode
Asynchronous interface for each object
Asynchronous connection pool
Thread-safe implementation
Lua scripting
Distributed objects
Object holder, Binary stream holder, Geospatial holder, BitSet, AtomicLong, AtomicDouble, PublishSubscribe, Bloom filter, HyperLogLog
Distributed collections
Map, Multimap, Set, List, SortedSet, ScoredSortedSet, LexSortedSet, Queue, Deque, Blocking Queue, Bounded Blocking Queue, Blocking Deque, Delayed Queue, Priority Queue, Priority Deque
Distributed locks and synchronizers
Lock, FairLock, MultiLock, RedLock, ReadWriteLock, Semaphore, PermitExpirableSemaphore, CountDownLatch
Distributed services
Remote service, Live Object service, Executor service, Scheduler service
Spring Cache implementation
Hibernate Cache implementation
JCache API (JSR-107) implementation
Tomcat Session Manager implementation
Spring Session implementation
Reactive Streams
Redis pipelining (command batches)
Supports Android platform
Supports auto-reconnect
Supports failed to send command auto-retry
Supports OSGi
Supports many popular codecs (Jackson JSON, Avro, Smile, CBOR, MsgPack, Kryo, FST, LZ4, Snappy and JDK Serialization)
With over 1000 unit tests

Who uses Redisson

Electronic Arts, Baidu, New Relic Synthetics, Brookhaven National Laboratory, Singtel, Infor, Setronica, Monits, [Netflix Dyno client] (https://github.com/Netflix/dyno), 武林Q传, Ocous, Invaluable, Clover , Apache Karaf Decanter, Atmosphere Framework, BrandsEye, Datorama, BrightCloud, Azar, Snapfish, Crimson Hexagon, Quby, Base CRM

Articles

Java data structures powered by Redis. Introduction to Redisson (pdf)
Redisson PRO vs. Jedis: Which Is Faster?
A Look at the Java Distributed In-Memory Data Model (Powered by Redis)
Distributed tasks Execution and Scheduling in Java, powered by Redis
Introducing Redisson Live Objects (Object Hash Mapping)
Java Remote Method Invocation with Redisson
Java Multimaps With Redis
Distributed lock with Redis

Success stories

Moving from Hazelcast to Redis

Quick start

Maven

<!-- JDK 1.8+ compatible -->
<dependency>
   <groupId>org.redisson</groupId>
   <artifactId>redisson</artifactId>
   <version>3.3.1</version>
</dependency>  

<!-- JDK 1.6+ compatible -->
<dependency>
   <groupId>org.redisson</groupId>
   <artifactId>redisson</artifactId>
   <version>2.8.1</version>
</dependency>

Gradle

// JDK 1.8+ compatible
compile 'org.redisson:redisson:3.3.1'  

// JDK 1.6+ compatible
compile 'org.redisson:redisson:2.8.1'

Java

// 1. Create config object
Config = ...

// 2. Create Redisson instance
RedissonClient redisson = Redisson.create(config);

// 3. Get object you need
RMap<MyKey, MyValue> map = redisson.getMap("myMap");

RLock lock = redisson.getLock("myLock");

RExecutorService executor = redisson.getExecutorService("myExecutorService");

// over 30 different objects and services ...

Downloads

Redisson 3.3.1, Redisson node 3.3.1

Redisson 2.8.1, Redisson node 2.8.1

Supported by

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anextro/redisson