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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8000) Potential deadlock #HeartbeatManager
Date Wed, 01 Apr 2015 18:07:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391120#comment-14391120
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Colin Patrick McCabe commented on HDFS-8000:
--------------------------------------------

Have you tried benchmarking load time with debug logging off, and the initial java heap size
set to a larger value?  That might help.

> Potential deadlock #HeartbeatManager
> ------------------------------------
>
>                 Key: HDFS-8000
>                 URL: https://issues.apache.org/jira/browse/HDFS-8000
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         Attachments: NNtd.out
>
>
> Cluster loaded with 90000000+ Blocks
> Restart DN
>  access NN UI..Then NN will  got Hang
> Will attach td..



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