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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-355) RM app submission jams under load
Date Wed, 06 Feb 2013 19:15:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572695#comment-13572695
] 

Hudson commented on YARN-355:
-----------------------------

Integrated in Hadoop-trunk-Commit #3333 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/3333/])
    YARN-355. Fixes a bug where RM app submission could jam under load. Contributed by Daryn
Sharp. (Revision 1443131)

     Result = SUCCESS
sseth : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1443131
Files : 
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/YarnClientImpl.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/security/RMDelegationTokenRenewer.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/client/RMDelegationTokenIdentifier.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java

                
> RM app submission jams under load
> ---------------------------------
>
>                 Key: YARN-355
>                 URL: https://issues.apache.org/jira/browse/YARN-355
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.0-alpha, 0.23.6
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>             Fix For: 2.0.3-alpha, 0.23.7
>
>         Attachments: YARN-355.branch-23.patch, YARN-355.branch-23.patch, YARN-355.branch-23.patch,
YARN-355.patch, YARN-355.patch, YARN-355.patch
>
>
> The RM performs a loopback connection to itself to renew its own tokens.  If app submissions
consume all RPC handlers for {{ClientRMProtocol}}, then app submissions block because it cannot
loopback to itself to do the renewal.

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