jGroups

• JGroups is a toolkit for reliable messaging.
• JGroups is a mature library, 50+ release, the underlying of JBossCache, infinispan, JBossCluster
• belaban
• https://github.com/belaban/JGroups

JChannel channel = new JChannel(); 
channel.setName(“node1”);
channel.setReceiver(ReceiverAdapter);
channel.connect(“ChatDemo”);
channel.send(msg);
	

JChannel channel = new JChannel();
channel.setName(“node2”);
channel.setReceiver(ReceiverAdapter);
channel.connect(“ChatDemo”);
channel.send(msg);
        

Examples: https://github.com/kylinsoong/cluster/tree/master/jgroups

1. Chat
2. TankWar

JBossCache

• JBoss Cache is a tree-structured, clustered, transactional cache.
• Build on top of jGroups
• Ben Wang
• Usage
• JBoss 5 or older version's cluster(Web Session, EJB, JMS, etc)
• 2 way to run:
• Standalone
• Container

Examples: https://github.com/kylinsoong/cluster/tree/master/jbosscache

1. JBossCache Replication Demo

Infinispan

• Transactional in-memory key/value NoSQL datastore
• Distributed data grid platform
• The 2nd generation JBossCache
• JSR 107, JSR 347

Infinispan Distribution

• Capacity = (memory * number) / numOwners
• Buddy Replication, Large Web Application cluster

Infinispan Replication

Infinispan Invalidation

Key Features

• Eviction
• Expiration
• Cache Loader

Client-Server Interface

• Asynchronous API
• REST API
• Memcached Interface
• Hot Rod Client(Java, C++, C#)

Infinispan Query

• Query Values instead of Keys
• Infinispan Query DSL

Examples: https://github.com/kylinsoong/cluster/tree/master/infinispan

1. Infinispan Replication Demo
2. CarMart
3. Football