XMemcached

Memcached is a free & open source, high-performance, distributed memory object caching system written in C++.

XMemcached is a Java client library for Memcached, is NIO based and geared towards maximum performance.

Features:

• Supports JMX
• Supports weighted servers
• Supports connection pools
• Supports failure modes
• Supports standby modes
• Supports Memcached text protocols
• Supports Memcached binary protocols
• Supports standard hash strategies
• Supports consistent hash strategies
• Supports kestrel
• Supports TokyoTyrant
• Spring framework integration
• Hibernate integration

What is new in this release:

• Performance tweaks,10% improved for text protocol in my benchmark.
• Fixed getStats could not work with cache dump.
• Fixed deak lock when shutdown client.
• Fixed missing unsigned conversion on ONE_AT_A_TIME hash.
• Cached decoded object for the same key in a batch get,reduce CPU consumption.

What is new in version 1.4.1:

• Fixed some log errors
• Fixed could not find class when deserializing in some web containers.

What is new in version 1.3.8:

• Implemented touch command for text protocol.
• Added a new interface KeyProvider to pre-process keys before sending them to memcached.And added a new method setKeyProvider to client builder and spring factory bean.
• Added flow control for noreply operations and added a new method setMaxQueuedNoReplyOperations to to client builder and spring factory bean.It's default value is based on your JVM maximum memory.
• Removed time field in delete command,it's not valid at all even you pass it.
• Changed default operation timeout to five seconds.
• Fixed KetamaMemcachedSessionLocator issue when set it to be compatible with nginx upstream consistent hash using memcached default port.