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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5132) Deadlock in namenode while running load generator with 15 threads
Date Tue, 27 Aug 2013 18:56:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13751582#comment-13751582
] 

Jing Zhao commented on HDFS-5132:
---------------------------------

Thanks for the patch Kihwal! The patch looks good to me. The deadlock will be fixed by the
synchronization through the FSN R/W lock. +1 for the patch.
                
> Deadlock in namenode while running load generator with 15 threads
> -----------------------------------------------------------------
>
>                 Key: HDFS-5132
>                 URL: https://issues.apache.org/jira/browse/HDFS-5132
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.1.0-beta
>            Reporter: Arpit Gupta
>            Assignee: Kihwal Lee
>         Attachments: HDFS-5132.001.patch, HDFS-5132.patch, jstack.log
>
>
> While running nn load generator with 15 threads for 20 mins the standby namenode deadlocked.

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