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https://issues.apache.org/jira/browse/YARN-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141337#comment-14141337
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Hadoop QA commented on YARN-1372:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12670090/YARN-1372.007.patch
against trunk revision 951847b.
{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:red}-1 javac{color}. The applied patch generated 1266 javac
compiler warnings (more than the trunk's current 1265 warnings).
{color:green}+1 javadoc{color}. There were no new javadoc 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 2.0.3) 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-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common:
org.apache.hadoop.mapreduce.v2.app.TestRecovery
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/5050//testReport/
Javac warnings:
https://builds.apache.org/job/PreCommit-YARN-Build/5050//artifact/PreCommit-HADOOP-Build-patchprocess/diffJavacWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5050//console
This message is automatically generated.
> Ensure all completed containers are reported to the AMs across RM restart
> -------------------------------------------------------------------------
>
> Key: YARN-1372
> URL: https://issues.apache.org/jira/browse/YARN-1372
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Bikas Saha
> Assignee: Anubhav Dhoot
> Attachments: YARN-1372.001.patch, YARN-1372.001.patch,
> YARN-1372.002_NMHandlesCompletedApp.patch,
> YARN-1372.002_RMHandlesCompletedApp.patch,
> YARN-1372.002_RMHandlesCompletedApp.patch, YARN-1372.003.patch,
> YARN-1372.004.patch, YARN-1372.005.patch, YARN-1372.005.patch,
> YARN-1372.006.patch, YARN-1372.007.patch, YARN-1372.008.patch,
> YARN-1372.prelim.patch, YARN-1372.prelim2.patch
>
>
> Currently the NM informs the RM about completed containers and then removes
> those containers from the RM notification list. The RM passes on that
> completed container information to the AM and the AM pulls this data. If the
> RM dies before the AM pulls this data then the AM may not be able to get this
> information again. To fix this, NM should maintain a separate list of such
> completed container notifications sent to the RM. After the AM has pulled the
> containers from the RM then the RM will inform the NM about it and the NM can
> remove the completed container from the new list. Upon re-register with the
> RM (after RM restart) the NM should send the entire list of completed
> containers to the RM along with any other containers that completed while the
> RM was dead. This ensures that the RM can inform the AM's about all completed
> containers. Some container completions may be reported more than once since
> the AM may have pulled the container but the RM may die before notifying the
> NM about the pull.
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