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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9181) Set daemon flag for HttpServer's QueuedThreadPool
Date Mon, 07 Jan 2013 14:40:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Suresh Srinivas updated HADOOP-9181:

       Resolution: Fixed
    Fix Version/s: 2.0.3-alpha
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

+1 for the patch. Committed it to trunk and branch-2.

Thank you Liang.
> Set daemon flag for HttpServer's QueuedThreadPool
> -------------------------------------------------
>                 Key: HADOOP-9181
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9181
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.0.2-alpha
>            Reporter: liang xie
>            Assignee: liang xie
>             Fix For: 2.0.3-alpha
>         Attachments: HADOOP-9181.txt
> we hit HBASE-6031 again, after looking into thread dump, it was caused by the threads
from QueuedThreadPool are user thread, not daemon thread, so the hbase shutdownhook never
be called and the hbase instance was hung.
> Furthermore, i saw daemon be set in fb-20 branch, let's set in trunk codebase as well,
it should be safe:)

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