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From "Matt Foley (Reopened) (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HADOOP-8050) Deadlock in metrics
Date Mon, 20 Feb 2012 08:17:41 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt Foley reopened HADOOP-8050:
--------------------------------


The Commit integration to both trunk and v0.23 succeeded with common and hdfs, but aborted
in mapreduce.  The log records:
{code}
ivy-resolve-mapred:
Build timed out (after 45 minutes). Marking the build as aborted.
Build was aborted
Recording test results
None of the test reports contained any result
Updating HADOOP-8050
No emails were triggered.
Finished: ABORTED
{code}

This looks more like a connectivity issue with ivy than a problem with the patch, but re-opening
pending investigation.
                
> Deadlock in metrics
> -------------------
>
>                 Key: HADOOP-8050
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8050
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.20.204.0, 0.20.205.0, 0.23.0, 1.0.0
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>             Fix For: 1.0.1, 0.23.2
>
>         Attachments: hadoop-8050-branch-1.patch.txt, hadoop-8050-branch-1.patch.txt,
hadoop-8050-branch-1.patch.txt, hadoop-8050-branch-1.patch.txt, hadoop-8050-trunk.patch.txt,
hadoop-8050-trunk.patch.txt, hadoop-8050-trunk.patch.txt, hadoop-8050.patch.txt
>
>
> The metrics serving thread and the periodic snapshot thread can deadlock.
> It happened a few times on one of namenodes we have. When it happens RPC works but the
web ui and hftp stop working. I haven't look at the trunk too closely, but it might happen
there too.

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