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		<title>关于Zookeeper中Session Expired和Watch</title>
		<link>https://www.coder4.com/archives/3181</link>
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		<pubDate>Mon, 21 May 2012 07:31:48 +0000</pubDate>
				<category><![CDATA[大数据技术]]></category>
		<category><![CDATA[Session Expired]]></category>
		<category><![CDATA[Watch]]></category>
		<category><![CDATA[ZooKeeper]]></category>
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					<description><![CDATA[信息来源： (1)Zookeeper邮件列表 (2)zookeeper学习记录三(session,watcher,persit机制) (3)ZooKeeper FAQ 见  http://jm-blog.aliapp.com/?p=1384 1、什么是Session Expired 通常是zk客户端与服务器的连接断了，试图连接上新的zk机器，这个过程如果耗时过长，超过 SESSION_TIMEOUT 后还没有成功连接上服务器，那么服务器认为这个session已经结束了（服务[......] 继续阅读]]></description>
		
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