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https://issues.apache.org/jira/browse/HADOOP-3875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618600#action_12618600
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Hadoop QA commented on HADOOP-3875:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12387250/HADOOP-3875_0_20080730.patch
against trunk revision 681243.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no tests are needed for this patch.
+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 does not increase the total number of
release audit warnings.
-1 core tests. The patch failed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2990/console
This message is automatically generated.
> Fix TaskTracker's heartbeat timer to note the time the hearbeat RPC returned
> to decide next heartbeat time
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3875
> URL: https://issues.apache.org/jira/browse/HADOOP-3875
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.19.0
>
> Attachments: HADOOP-3875_0_20080730.patch
>
>
> The tasktracker notes the time the heartbeat RPC was fired, rather than when
> it returned to decide when to send the next one. If the RPC spends a lot of
> time in the JobTracker's queue then the above exacerbates the load on the
> JobTracker.
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