memcached（十四）memcached单次请求性能分析

试验环境和IP
服务器：10.10.64.83
客户端：10.10.64.82
配置
2颗Intel(R) Xeon(R) CPU  E5620  @ 2.40GHz

服务器启动参数
./memcached -d -m 1024 -p 11211 -P /tmp/memcached.pid -c 1024 -f 1.25 -n 80 -t 16

客户端代码
单线程循环一万次，然后计算每次的时间

package com.home.phl;

import net.rubyeye.xmemcached.MemcachedClient;
import net.rubyeye.xmemcached.MemcachedClientBuilder;
import net.rubyeye.xmemcached.XMemcachedClientBuilder;
import net.rubyeye.xmemcached.utils.AddrUtil;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Xmemcached（基于java nio）
 * @author piaohailin
 *
 */
public class Test {
    private static Logger logger = LoggerFactory.getLogger(Test.class);

    public static void main(String[] args) throws Exception {
        MemcachedClientBuilder builder = new XMemcachedClientBuilder(AddrUtil.getAddresses("10.10.66.83:11211"));
        MemcachedClient memcachedClient = builder.build();
        Object o = memcachedClient.set("key",0,123);
        memcachedClient.get("1");
        logger.info("start");
        for (int i = 0; i < 10000; i++) {
            memcachedClient.get("key");
        }
        logger.info("end");
        memcachedClient.shutdown();
    }
}

启动
java -cp my.jar:lib/* com.home.phl.Test
输出
2014-01-12 01:26:31:913[WARN]: XMemcachedClient use Text protocol
2014-01-12 01:26:31:949[INFO]: Creating 32 reactors...
2014-01-12 01:26:31:993[WARN]: The Controller started at localhost/127.0.0.1:0 ...
2014-01-12 01:26:32:019[WARN]: Add a session: 10.10.66.83:11211
2014-01-12 01:26:32:029[INFO]: start
2014-01-12 01:26:34:433[INFO]: end
2014-01-12 01:26:34:437[INFO]: Controller has been stopped.
2014-01-12 01:26:34:437[WARN]: Remove a session: 10.10.66.83:11211

硬件设备缓存访问速度
摘自网络，仅供参考




结论
经过多次试验，同网段的服务器间访问，平均1次请求在0.2毫秒左右，性能优越。