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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1410) Handle client failover during 2 step client API's like app submission
Date Sat, 11 Jan 2014 04:08:55 GMT

    [ https://issues.apache.org/jira/browse/YARN-1410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868649#comment-13868649
] 

Hadoop QA commented on YARN-1410:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12622488/YARN-1410.2.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:

                  org.apache.hadoop.yarn.client.api.impl.TestYarnClient
                  org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesApps

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/2874//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2874//console

This message is automatically generated.

> Handle client failover during 2 step client API's like app submission
> ---------------------------------------------------------------------
>
>                 Key: YARN-1410
>                 URL: https://issues.apache.org/jira/browse/YARN-1410
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bikas Saha
>            Assignee: Xuan Gong
>         Attachments: YARN-1410-outline.patch, YARN-1410.1.patch, YARN-1410.2.patch, YARN-1410.2.patch
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> App submission involves
> 1) creating appId
> 2) using that appId to submit an ApplicationSubmissionContext to the user.
> The client may have obtained an appId from an RM, the RM may have failed over, and the
client may submit the app to the new RM.
> Since the new RM has a different notion of cluster timestamp (used to create app id)
the new RM may reject the app submission resulting in unexpected failure on the client side.
> The same may happen for other 2 step client API operations.



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