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https://issues.apache.org/jira/browse/MAPREDUCE-5533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13785948#comment-13785948
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Hadoop QA commented on MAPREDUCE-5533:
--------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12606727/MAPREDUCE-5533.6.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 2 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-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient:
org.apache.hadoop.mapred.TestJobCleanup
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-jobclient:
org.apache.hadoop.mapreduce.v2.TestUberAM
org.apache.hadoop.mapred.TestMultiFileInputFormat
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4087//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4087//console
This message is automatically generated.
> Speculative execution does not function for reduce
> --------------------------------------------------
>
> Key: MAPREDUCE-5533
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5533
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster
> Reporter: Tassapol Athiapinya
> Assignee: Xuan Gong
> Attachments: MAPREDUCE-5533.1.patch, MAPREDUCE-5533.2.patch,
> MAPREDUCE-5533.3.patch, MAPREDUCE-5533.4.patch, MAPREDUCE-5533.5.patch,
> MAPREDUCE-5533.6.patch
>
>
> We have sort job where reduce attempt does not send heartbeat in timely
> manner to application master. The AM should kick off another attempt to let
> job succeeds. What we find is the job fails and there is no speculation
> happening.
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