[jira] [Commented] (MAPREDUCE-5269) Preemption of Reducer (and Shuffle) via checkpointing

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14270517#comment-14270517 ] 

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/12690974/MAPREDUCE-5269.5.patch
  against trunk revision ae91b13.

    {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.TestLocalModeWithNewApis
                  org.apache.hadoop.mapred.TestMRWithDistributedCache
                  org.apache.hadoop.mapred.TestLineRecordReaderJobs
                  org.apache.hadoop.conf.TestNoDefaultsJobConf
                  org.apache.hadoop.mapred.jobcontrol.TestLocalJobControl
                  org.apache.hadoop.mapred.TestFieldSelection
                  org.apache.hadoop.mapred.TestMRTimelineEventHandling
                  org.apache.hadoop.mapred.TestLocalMRNotification
                  org.apache.hadoop.mapred.TestCollect
                  org.apache.hadoop.mapred.TestJobCounters
                  org.apache.hadoop.mapred.TestReduceTask
                  org.apache.hadoop.mapred.TestJavaSerialization
                  org.apache.hadoop.mapred.TestSpecialCharactersInOutputPath
                  org.apache.hadoop.mapred.TestLazyOutput
                  org.apache.hadoop.mapred.pipes.TestPipeApplication
                  org.apache.hadoop.mapred.TestMapRed
                  org.apache.hadoop.mapred.TestComparators

                                      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.mapred.TestJobSysDirWithDFS
org.apache.hadoop.mapred.TestMiniMRWithDFSWithDistinctUsers
org.apache.hadoop.mapred.TestMiniMRClasspath
org.apache.hadoop.mapred.TestJobName
org.apache.hadoop.mapred.TestReduceFetch
org.apache.hadoop.mapred.TestMRIntermediateDataEncryption

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5102//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5102//artifact/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5102//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.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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