使用memcache频繁报TimeoutException

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使用memcache频繁报TimeoutException20

小弟初学memcache，客户端使用xmc1.3.5，服务端是1.4版本，启动命令是

memcached -m 1024 -u root -p 11211 -c 2048

现在发现老频繁的报TimeoutException,不知道如何解决
配置文件如下：

<bean name="baseMemcachedClientBuilder" class="net.rubyeye.xmemcached.XMemcachedClientBuilder" abstract="true">

        <property name="connectionPoolSize" value="30"/>
        <property name="commandFactory">
            <bean class="net.rubyeye.xmemcached.command.TextCommandFactory"/>
        </property>
        <property name="sessionLocator">
            <bean class="net.rubyeye.xmemcached.impl.KetamaMemcachedSessionLocator"/>
        </property>
        <property name="transcoder">
            <bean class="net.rubyeye.xmemcached.transcoders.SerializingTranscoder"/>
        </property>
        <property name="configuration" ref="configuration"/>
    </bean>

    <bean name="showMemCacheBuilder" class="net.rubyeye.xmemcached.XMemcachedClientBuilder"
          parent="baseMemcachedClientBuilder">               <constructor-arg name="addressList">
                    <list>
                        <bean class="java.net.InetSocketAddress">
                            <constructor-arg>
                                <value>${memcache.show.client1.ip}</value>
                            </constructor-arg>
                            <constructor-arg>
                                <value>${memcache.show.client1.port}</value>
                            </constructor-arg>
                        </bean>
                    </list>
                </constructor-arg>
                <constructor-arg name="weights">
                    <list>
                        <value>1</value>
                    </list>
                </constructor-arg>
    </bean>

    <!-- Use factory bean to build memcached client -->
    <bean name="showCachedClient" factory-bean="showMemCacheBuilder"
          factory-method="build" destroy-method="shutdown">
    </bean>

    <bean name="configuration" class="com.google.code.yanf4j.config.Configuration">
    </bean>

    <bean name="showCacheWrapper" class="com.youku.recommend.cache.memcache.impl.RecommendCacheWrapper">
        <property name="client" ref="showCachedClient"/>
        <property name="exp" value="2592000"/>
    </bean>

完整的异常堆栈如下：

2012-03-06 11:19:08,950 [20226877@qtp-31711672-0] WARN  [com.youku.recommend.action.LoadDataAction] - file not found:d:/data/recommend/interfacefile/b_v_0_20120305
java.util.concurrent.TimeoutException: Timed out(200) waiting for operation
	at net.rubyeye.xmemcached.XMemcachedClient.latchWait(XMemcachedClient.java:2528)
	at net.rubyeye.xmemcached.XMemcachedClient.sendStoreCommand(XMemcachedClient.java:2511)
	at net.rubyeye.xmemcached.XMemcachedClient.set(XMemcachedClient.java:1278)
	at net.rubyeye.xmemcached.XMemcachedClient.set(XMemcachedClient.java:1336)
	at com.youku.recommend.cache.memcache.MemCacheWrapper.set(MemCacheWrapper.java:52)
	at com.youku.recommend.cache.service.RecommendCacheService.putShows(RecommendCacheService.java:84)
	at com.youku.recommend.async.task.file.ShowRecommendReadTask.handleFileLine(ShowRecommendReadTask.java:103)
	at com.youku.recommend.async.task.file.ShowRecommendReadTask.loadFile(ShowRecommendReadTask.java:70)
	at com.youku.recommend.async.task.file.ShowRecommendReadTask.run(ShowRecommendReadTask.java:45)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

把连接池大小和等待时间设置长也不能解决这个问题，请高手们帮忙解决下