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Web Session Management
Tomcat Session Redisson implements Redis or Valkey based Tomcat Session Manager. It stores session of Apache Tomcat in Redis or Valkey and allows to distribute requests across a ... -
Distributed counters
Id generator Redis or Valkey based Java Id generator RIdGenerator generates unique numbers but not monotonically increased. At first request, batch of id numbers is allocated and... -
Distributed locks and synchronizers
Lock Redis or Valkey based distributed reentrant Lock object for Java and implements Lock interface. Uses pub/sub channel to notify other threads across all Redisson instances w... -
Data serialization
Data serialization is extensively used by Redisson to marshall and unmarshall bytes received or sent over network link with Redis or Valkey server. Many popular codecs are availabl... -
Configuration
Configuration Overview Configuration Files Client Properties (2.x) Client Properties (3.x) Server Properties (2.x) Server Properties (3.x) -
Commands mapping
Redis or Valkey command Sync / Async APIRedisson.create(config) Reactive APIredisson.reactive() RxJava3 APIredisson.rxJava() AUTH Config.setPassword() - - APPEND ... -
Getting Started
1. Add dependency Maven <dependency> <groupId> org.redisson </groupId> <artifactId> redisson </artifactId> <version> xVERSIONx </version> </dependency> ... -
Distributed publish/subscribe
Topic Java RTopic object implements Publish / Subscribe mechanism based on Redis Pub/Sub or Valkey Pub/Sub . It allows to subscribe on events published with multiple instances o... -
Performance
Performance Iceberg is designed for huge tables and is used in production where a single table can contain tens of petabytes of data. Even multi-petabyte tables can be read from ... -
Transactions
Transactions management RMap , RMapCache , RLocalCachedMap , RSet , RSetCache and RBucket Redisson objects may participant in Transaction with ACID properties. It uses locks for...
