TestMemcached

最新推荐文章于 2025-07-11 06:15:53 发布

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本文详细介绍了如何使用Memcached客户端进行基本操作，并通过设置参数优化连接池性能。包括客户端初始化、设置服务器地址、配置连接池参数以及进行键值对的set和get操作。

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/**
* Copyright (c) 2008 Greg Whalin
* All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the BSD license
*
* This library is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
*
* You should have received a copy of the BSD License along with this
* library.
*
* @author greg whalin <greg@meetup.com>
*/
package com.meetup.memcached.test;

import org.apache.log4j.BasicConfigurator;

import com.yulong.memcached.MemcachedClient;
import com.yulong.memcached.SockIOPool;

public class TestMemcached {
public static void main(String[] args) {
// memcached should be running on port 11211 but NOT on 11212

BasicConfigurator.configure();
String[] servers = { "10.1.21.27:11211,10.1.21.28:11211,10.1.21.29:11211" };
SockIOPool pool = SockIOPool.getInstance();
pool.setServers( servers );
pool.setFailover( true );
pool.setInitConn( 10 );
pool.setMinConn( 5 );
pool.setMaxConn( 250 );
pool.setMaintSleep( 30 );
pool.setNagle( false );
pool.setSocketTO( 3000 );
pool.setAliveCheck( true );
pool.initialize();

MemcachedClient mcc = new MemcachedClient();

// turn off most memcached client logging:
// com.meetup.memcached.Logger.getLogger( MemcachedClient.class.getName() ).setLevel( com.meetup.memcached.Logger.LEVEL_WARN );

for ( int i = 0; i < 10; i++ ) {
boolean success = mcc.set( "" + i, "Hello!" );
String result = (String)mcc.get( "" + i );
System.out.println( String.format( "set( %d ): %s", i, success ) );
System.out.println( String.format( "get( %d ): %s", i, result ) );
}

System.out.println( "\n\t -- sleeping --\n" );
try { Thread.sleep( 10000 ); } catch ( Exception ex ) { }

for ( int i = 0; i < 10; i++ ) {
boolean success = mcc.set( "" + i, "Hello!" );
String result = (String)mcc.get( "" + i );
System.out.println( String.format( "set( %d ): %s", i, success ) );
System.out.println( String.format( "get( %d ): %s", i, result ) );
}
}
}