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Updated Introduction (markdown)

Ethan
2016-06-06 11:25:50 +08:00
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Introduction.md

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<li><span style="line-height: 21px;">一旦zookeeper发现canal server A创建的节点消失后，立即通知其他的canal server再次进行步骤1的操作，重新选出一个canal server启动instance.</span></li>
<li><span style="line-height: 21px;">canal client每次进行connect时，会首先向zookeeper询问当前是谁启动了canal instance，然后和其建立链接，一旦链接不可用，会重新尝试connect.</span></li>
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<p><span style="line-height: 21px;">Canal Client的方式和canal server方式类似，也是利用zokeeper的抢占</span><span style="line-height: 21px;">EPHEMERAL节点的方式进行控制. </span></p>
<p><span style="line-height: 21px;">Canal Client的方式和canal server方式类似，也是利用zookeeper的抢占</span><span style="line-height: 21px;">EPHEMERAL节点的方式进行控制. </span></p>
<p> </p>