Redisson - Redis Java client
    with features of an in-memory data grid

    Maven Central JavaDoc License

    Quick start | Documentation | Changelog | Code examples | FAQs | Report an issue

    Based on high-performance async and lock-free Java Redis client and Netty framework.
    JDK compatibility: 1.8 - 18, Android


    Success stories

    Moving from Hazelcast to Redis / Datorama

    Migrating from Hazelcast to Redis / Halodoc

    Distributed Locking with Redis (Migration from Hazelcast) / ContaAzul

    Migrating from Coherence to Redis

    Quick start




    compile 'org.redisson:redisson:3.17.5'  


    libraryDependencies += "org.redisson" % "redisson" % "3.17.5"


    // 1. Create config object
    Config config = new Config();
           // use "rediss://" for SSL connection
    // or read config from file
    config = Config.fromYAML(new File("config-file.yaml")); 
    // 2. Create Redisson instance
    // Sync and Async API
    RedissonClient redisson = Redisson.create(config);
    // Reactive API
    RedissonReactiveClient redissonReactive = redisson.reactive();
    // RxJava3 API
    RedissonRxClient redissonRx = redisson.rxJava();
    // 3. Get Redis based implementation of java.util.concurrent.ConcurrentMap
    RMap<MyKey, MyValue> map = redisson.getMap("myMap");
    RMapReactive<MyKey, MyValue> mapReactive = redissonReactive.getMap("myMap");
    RMapRx<MyKey, MyValue> mapRx = redissonRx.getMap("myMap");
    // 4. Get Redis based implementation of java.util.concurrent.locks.Lock
    RLock lock = redisson.getLock("myLock");
    RLockReactive lockReactive = redissonReactive.getLock("myLock");
    RLockRx lockRx = redissonRx.getLock("myLock");
    // 4. Get Redis based implementation of java.util.concurrent.ExecutorService
    RExecutorService executor = redisson.getExecutorService("myExecutorService");
    // over 50 Redis based Java objects and services ...

    Try Redisson PRO with ultra-fast performance and support by SLA.


    Redisson 3.17.5, Redisson node 3.17.5


    Q: What is the cause of RedisTimeoutException?

    Q: When do I need to shut down a Redisson instance, at the end of each request or the end of the life of a thread?

    Q: In MapCache/SetCache/SpringCache/JCache, I have set an expiry time to an entry, why is it still in Redis when it should be disappeared?

    Q: How can I perform Pipelining/Transaction through Redisson?

    Q: Is Redisson thread safe? Can I share an instance of it between different threads?

    Q: Can I use different encoder/decoders for different tasks?


    Redisson - Redis Java client with features of In-Memory Data Grid. Over 50 Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, MyBatis, RPC, local cache ...

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    • Java 100.0 %