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https://issues.apache.org/jira/browse/HBASE-12739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14256573#comment-14256573
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stack commented on HBASE-12739:
-------------------------------
+1
Will commit in a few hours unless you fellas get to it before me.
> Avoid too large identifier of ZooKeeperWatcher
> ----------------------------------------------
>
> Key: HBASE-12739
> URL: https://issues.apache.org/jira/browse/HBASE-12739
> Project: HBase
> Issue Type: Bug
> Components: Zookeeper
> Affects Versions: 0.94.11
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
> Attachments: HBASE-12739-trunk-v1.diff
>
>
> For each SyncConnected event, the ZooKeeperWatcher will append the session
> id to its identity.
> During the failover of zk, the zookeeper client can connect to the zk server,
> but the the zk server can not serve the request, so the client will try
> continually, which will produce many SyncConnected events and a very large
> identifier of ZooKeeperWatcher in hbase log.
> {code}
> 2014-12-22,12:38:56,296 WARN org.apache.hadoop.hbase.zookeeper.ZKUtil:
> master:16500-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-0x349cbb4e4a7f0ba-...
> {code}
> A simple patch to fix this problem.
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