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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5269) Preemption of Reducer (and Shuffle) via checkpointing
Date Wed, 11 Feb 2015 13:00:17 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316166#comment-14316166
] 

Hadoop QA commented on MAPREDUCE-5269:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12698061/MAPREDUCE-5269.7.patch
  against trunk revision a4ceea6.

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

    {color:green}+1 tests included{color}.  The patch appears to include 10 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}.  There were no new javadoc warning messages.

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

    {color:red}-1 findbugs{color}.  The patch appears to introduce 13 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-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient:

                  org.apache.hadoop.mapred.TestReduceTask
                  org.apache.hadoop.conf.TestJobConf

                                      The following test timeouts occurred in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient:

org.apache.hadoop.mapreduce.lib.output.TestJobOutputCommitter
org.apache.hadoop.mapred.TestClusterMapReduceTestCase

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5185//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5185//artifact/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5185//console

This message is automatically generated.

> Preemption of Reducer (and Shuffle) via checkpointing
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-5269
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5269
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>         Attachments: MAPREDUCE-5269.2.patch, MAPREDUCE-5269.3.patch, MAPREDUCE-5269.4.patch,
MAPREDUCE-5269.5.patch, MAPREDUCE-5269.6.patch, MAPREDUCE-5269.7.patch, MAPREDUCE-5269.patch
>
>
> This patch tracks the changes in the task runtime (shuffle, reducer context, etc.) that
are required to implement checkpoint-based preemption of reducer tasks.



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