Memcached(六)Memcached的并发实例

package com.sinosuperman.memcached;

import java.io.IOException;
import java.net.InetSocketAddress;

import net.spy.memcached.CASResponse;
import net.spy.memcached.CASValue;
import net.spy.memcached.MemcachedClient;

public class TestCASMultiThread {

	private static MemcachedClient client = null;

	static {
		try {
			client = new MemcachedClient(new InetSocketAddress("localhost",
					11211));
		} catch (IOException o) {
		}
	}

	private class ThreadTest extends Thread {

		private MemcachedClient client = null;

		ThreadTest(String name) throws IOException {
			super(name);
			client = new MemcachedClient(new InetSocketAddress("localhost",
					11211));
		}

		public void run() {
			int i = 0;
			int success = 0;
			while (i < 10) {
				i++;
				CASValue<Object> uniqueValue = client.gets("numberss");
				CASResponse response = client.cas("numberss",
						uniqueValue.getCas(),
						(Integer) uniqueValue.getValue() + 1);

				if (response.toString().equals("OK")) {
					success++;
				}

				if (i == 10)
					System.out.println(Thread.currentThread().getName() + " "
							+ i + " time " + " update oldValue : "
							+ uniqueValue.getValue() + " , result : "
							+ response);
			}

			if (success < 10) {
				Count.incr(10 - success);
				System.out.println("Test counter: " + Count.get());
			}
		}
	}

	public static void main(String[] args) throws Exception {

		client.set("numberss", 1800, 1);

		TestCASMultiThread testObj = new TestCASMultiThread();
		for (int i = 0; i < 10; i++) {
			testObj.new ThreadTest("Thread-" + (i + 1)).start();
		}
	}

	public static class Count {
		private static int counter = 0;

		public synchronized static void incr(int x) {
			counter += x;
		}

		public static int get() {
			return counter;
		}
	}
}

　　

2016-02-25 16:12:12.495 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.498 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@fa9cf
2016-02-25 16:12:12.503 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.504 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@b179c3
2016-02-25 16:12:12.505 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.507 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@aa9835
2016-02-25 16:12:12.508 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.509 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@7b7072
2016-02-25 16:12:12.511 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.513 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@bfbdb0
2016-02-25 16:12:12.514 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.515 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@9fef6f
2016-02-25 16:12:12.516 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
Thread-1 10 time  update oldValue : 12 , result : OK
Test counter: 5
Thread-3 10 time  update oldValue : 15 , result : EXISTS
Test counter: 15
2016-02-25 16:12:12.518 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@f38798
2016-02-25 16:12:12.520 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.525 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@7a78d3
2016-02-25 16:12:12.525 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
Thread-5 10 time  update oldValue : 17 , result : EXISTS
Test counter: 21
2016-02-25 16:12:12.525 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@1a5ab41
2016-02-25 16:12:12.525 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.525 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@181afa3
2016-02-25 16:12:12.525 INFO net.spy.memcached.MemcachedConnection:  Added {QA sa=localhost/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:12:12.541 INFO net.spy.memcached.MemcachedConnection:  Connection state changed for sun.nio.ch.SelectionKeyImpl@8ed465
Thread-7 10 time  update oldValue : 26 , result : EXISTS
Test counter: 24
Thread-9 10 time  update oldValue : 30 , result : OK
Test counter: 27
Thread-2 10 time  update oldValue : 32 , result : OK
Test counter: 32
Thread-6 10 time  update oldValue : 33 , result : OK
Test counter: 40
Thread-4 10 time  update oldValue : 33 , result : EXISTS
Test counter: 48
Thread-8 10 time  update oldValue : 38 , result : OK
Test counter: 52
Thread-10 10 time  update oldValue : 40 , result : OK
Test counter: 60