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surf-memcached

基于Netty以及Zookeeper封装的Memcached客户端,性能较Xmemcached有一定的提升

使用方式见test package

不使用 zookeeper 下的使用方式

MemcachedClient client = new MemcachedClient("127.0.0.1", 12000)

.build("127.0.0.1", 12001).build("127.0.0.1", 12002) ;

boolean b1 = client.set(key1, value1 ) ;

String value = (String)client.get( key ) ;

boolean b2 = client.set(key2, new User( 1002, "fangliang_1002" ) ) ;

User valueUser = (User)client.get( key2 ) ;

详见 test包

使用 zookeeper 情形下

ZkMemcachedClient client = new ZkMemcachedClient("zk1.com:2181,zk2.com:2181,zk2.com:2182,zk3.com:2181,zk3.com:2182" , "/zk/memcached", "wap") ;

其中 zk1.com:2181,zk2.com:2181,zk2.com:2182,zk3.com:2181,zk3.com:2182 为 zookeeper server 的地址

请确保 zookeeper 下有上述路径 /zk/memcached/wap

可以根据不同的子空间实力化不同的 ZkMemcachedClient 比如 下属路径

/zk/memcached

--/zk/memcached/wap

----/zk/memcached/wap/127.0.0.1:12000

----/zk/memcached/wap/127.0.0.1:12001

----/zk/memcached/wap/127.0.0.1:12002

--/zk/memcached/www

----/zk/memcached/www/127.0.0.1:xxxxx

----/zk/memcached/www/127.0.0.1:xxxxx

--/zk/memcached/ishare

--/zk/memcached/xxxx

那么相应的 ZkMemcachedClient 分别为 ZkMemcachedClient client = new ZkMemcachedClient("zk1.com:2181,zk2.com:2181,zk2.com:2182,zk3.com:2181,zk3.com:2182" , "/zk/memcached", "wap") ;
			ZkMemcachedClient client = new ZkMemcachedClient("zk1.com:2181,zk2.com:2181,zk2.com:2182,zk3.com:2181,zk3.com:2182"
			, "/zk/memcached", "www") ;
			
			ZkMemcachedClient client = new ZkMemcachedClient("zk1.com:2181,zk2.com:2181,zk2.com:2182,zk3.com:2181,zk3.com:2182"
			, "/zk/memcached", "ishare") ;
			
			ZkMemcachedClient client = new ZkMemcachedClient("zk1.com:2181,zk2.com:2181,zk2.com:2182,zk3.com:2181,zk3.com:2182"
			, "/zk/memcached", "xxxx") ;
			
			
			
			后面的调用方式与未使用 zookeeper 情形下想同。

系统实现动态添加 memcache 节点 , key 通过一致性hash 分布在对应的server 上面

增加 zookeeper 节点 create /zk/memcached/wap/127.0.0.1:12003 127.0.0.1:12003 删除 zookeeper 节点 delete /zk/memcached/wap/127.0.0.1:12003

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