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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1601) Region server going down as a result of expiration by ZK
Date Fri, 24 Jul 2009 21:24:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12735165#action_12735165
] 

Jonathan Gray commented on HBASE-1601:
--------------------------------------

I vote to close this issue as won't fix.

We fixed some stuff for ZK that should help with this symptom.  If this arises again on latest
trunk or in the RC, we can create a new issue.

> Region server going down as a result of expiration by ZK
> --------------------------------------------------------
>
>                 Key: HBASE-1601
>                 URL: https://issues.apache.org/jira/browse/HBASE-1601
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: Amandeep Khurana
>             Fix For: 0.20.0
>
>         Attachments: master.log, regionserver2.log, regionserver_on_zk_failure_node.log,
web_ui.log, web_ui2.log, web_ui3.log, zk.log
>
>
> During an MR job, ZK expires one of the nodes. This results in losing contact with a
region server and eventually the map task timing out and the job failing.
> Attaching the following logs:
> 1. HBase master logs
> 2. Logs from the web UI
> 3. Logs from the particular RS that went down.
> 4. Logs from the particular node that ZK expired.

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