Quick start | Documentation | Javadocs | 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 - 12, Android
- Replicated Redis servers mode (also supports AWS ElastiCache and Azure Redis Cache):
- automatic master server change discovery
- Clustered Redis servers mode (also supports AWS ElastiCache Cluster and Azure Redis Cache):
- automatic master and slave servers discovery
- automatic status and topology update
- automatic slots change discovery
- Sentinel Redis servers mode:
- automatic master, slave and sentinel servers discovery
- automatic status and topology update
- Master with Slave Redis servers mode
- Single Redis server mode
- Thread-safe implementation
- Reactive Streams API
- RxJava2 API
- Asynchronous API
- Asynchronous connection pool
- Lua scripting
- Distributed Java objects
Object holder, Binary stream holder, Geospatial holder, BitSet, AtomicLong, AtomicDouble, PublishSubscribe, Bloom filter, HyperLogLog - Distributed Java collections
Map, Multimap, Set, List, SortedSet, ScoredSortedSet, LexSortedSet, Queue, Deque, Blocking Queue, Bounded Blocking Queue, Blocking Deque, Delayed Queue, Priority Queue, Priority Deque - Distributed Java locks and synchronizers
Lock, FairLock, MultiLock, RedLock, ReadWriteLock, Semaphore, PermitExpirableSemaphore, CountDownLatch - Distributed services
Remote service, Live Object service, Executor service, Scheduler service, MapReduce service - Spring Framework
- Spring Cache implementation
- Spring Transaction API implementation
- Spring Data Redis integration
- Spring Boot Starter implementation
- Hibernate Cache implementation
- Transactions API
- XA Transaction API implementation
- JCache API (JSR-107) implementation
- Tomcat Session Manager implementation
- Spring Session implementation
- Redis pipelining (command batches)
- Supports Android platform
- Supports auto-reconnection
- Supports failed to send command auto-retry
- Supports OSGi
- Supports SSL
- Supports many popular codecs (Jackson JSON, Avro, Smile, CBOR, MsgPack, Kryo, Amazon Ion, FST, LZ4, Snappy and JDK Serialization)
- With over 2000 unit tests
<dependency>
<groupId>org.redisson</groupId>
<artifactId>redisson</artifactId>
<version>3.11.2</version>
</dependency>
compile 'org.redisson:redisson:3.11.2'
// 1. Create config object
Config config = new Config();
config.useClusterServers()
// use "rediss://" for SSL connection
.addNodeAddress("redis://127.0.0.1:7181");
// 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.createReactive(config);
// RxJava2 API
RedissonRxClient redissonRx = Redisson.createRx(config);// 3. Get Redis based Map
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 Lock
RLock lock = redisson.getLock("myLock");
RLockReactive lockReactive = redissonReactive.getLock("myLock");
RLockRx lockRx = redissonRx.getLock("myLock");// 4. Get Redis based ExecutorService
RExecutorService executor = redisson.getExecutorService("myExecutorService");
// over 30 different Redis based objects and services ...Consider Redisson PRO version for advanced features and support by SLA.
Redisson 3.11.2, Redisson node 3.11.2
Q: I saw a RedisTimeOutException, What does it mean? What shall I do? Can Redisson Team fix it?
Q: There were too many quotes appeared in the redis-cli console output, how do I fix it?
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?