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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12739) Avoid too large identifier of ZooKeeperWatcher
Date Tue, 23 Dec 2014 23:25:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257684#comment-14257684
] 

Hudson commented on HBASE-12739:
--------------------------------

SUCCESS: Integrated in HBase-0.98 #759 (See [https://builds.apache.org/job/HBase-0.98/759/])
HBASE-12739 Avoid too large identifier of ZooKeeperWatcher (Liu Shaohui) (stack: rev fa7e0a64640d4b4f59449e3b14694caaeb8914df)
* hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.java


> 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
>             Fix For: 1.0.0, 2.0.0, 0.94.26, 0.98.10, 1.1.0
>
>         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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