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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9181) Set daemon flag for HttpServer's QueuedThreadPool
Date Tue, 08 Jan 2013 10:48:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13546775#comment-13546775

Hudson commented on HADOOP-9181:

Integrated in Hadoop-Yarn-trunk #90 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/90/])
    HADOOP-9181. Set daemon flag for HttpServer's QueuedThreadPool. Contributed by Liang Xie.
(Revision 1429810)

     Result = SUCCESS
suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1429810
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java

> 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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