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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4736) Issues with HBaseTimelineWriterImpl
Date Fri, 26 Feb 2016 08:36:18 GMT

    [ https://issues.apache.org/jira/browse/YARN-4736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15168659#comment-15168659
] 

Naganarasimha G R commented on YARN-4736:
-----------------------------------------

Hi [~sjlee0],
Hope the attached files are considered correctly for the issues:
*For Issue 1* : threaddump.log
*For Issue 2* : hbaseException.log
bq. This could be a bug in HBase. It seems like the HBase cluster was already shut down, but
the flush operation took a long time to finally error out (36 minutes):
This log is for case 2: Actually cluster or NM was not shutdown in this case but app completed
successfully but after 40 mins this error was shown.

> Issues with HBaseTimelineWriterImpl
> -----------------------------------
>
>                 Key: YARN-4736
>                 URL: https://issues.apache.org/jira/browse/YARN-4736
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Naganarasimha G R
>            Assignee: Vrushali C
>            Priority: Critical
>              Labels: yarn-2928-1st-milestone
>         Attachments: hbaseException.log, threaddump.log
>
>
> Faced some issues while running ATSv2 in single node Hadoop cluster and in the same node
had launched Hbase with embedded zookeeper.
> # Due to some NPE issues i was able to see NM was trying to shutdown, but the NM daemon
process was not completed due to the locks.
> # Got some exception related to Hbase after application finished execution successfully.

> will attach logs and the trace for the same



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