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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5832) Deadeadlock found in NN between SafeMode#canLeave and DatanodeManager#handleHeartbeat
Date Sat, 25 Jan 2014 14:23:39 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rakesh R updated HDFS-5832:
---------------------------

    Status: Patch Available  (was: Open)

> Deadeadlock found in NN between SafeMode#canLeave and DatanodeManager#handleHeartbeat
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-5832
>                 URL: https://issues.apache.org/jira/browse/HDFS-5832
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.0.0
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>            Priority: Blocker
>         Attachments: HDFS-5832.patch, jcarder_nn_deadlock.gif
>
>
> Found the deadlock during the Namenode startup. Attached jcarder report which shows the
cycles about the deadlock situation.



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