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https://issues.apache.org/jira/browse/HADOOP-3748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12627615#action_12627615
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Hadoop QA commented on HADOOP-3748:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12389319/%5BHADOOP-3748%5D.patch
against trunk revision 691099.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 6 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
-1 release audit. The applied patch generated 306 release audit warnings
(more than the trunk's current 305 warnings).
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3157/testReport/
Release audit warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3157/artifact/trunk/current/releaseAuditDiffWarnings.txt
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3157/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3157/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3157/console
This message is automatically generated.
> Flag to make tasks to send counter information only at the end of the task
> --------------------------------------------------------------------------
>
> Key: HADOOP-3748
> URL: https://issues.apache.org/jira/browse/HADOOP-3748
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Environment: all
> Reporter: Alejandro Abdelnur
> Attachments: [HADOOP-3748].patch
>
>
> Currently counters are streaming from the task to the jobtracker as the task
> progresses. If the number of counters is large this has a significant impact
> on the network traffic as well as in the JobTracker load.
> The should be a flag, for example by counter-group, that indicates that the
> counters are to be reported at the end of the task. By default this flag
> should be set to false for all counter-groups maintaining the current
> behavior.
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