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https://issues.apache.org/jira/browse/HADOOP-3062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12620503#action_12620503
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Hadoop QA commented on HADOOP-3062:
-----------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12387698/3062-0.patch
against trunk revision 683448.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 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 does not increase the total number of
release audit 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/3029/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3029/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3029/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3029/console
This message is automatically generated.
> Need to capture the metrics for the network ios generate by dfs reads/writes
> and map/reduce shuffling and break them down by racks
> ------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3062
> URL: https://issues.apache.org/jira/browse/HADOOP-3062
> Project: Hadoop Core
> Issue Type: Improvement
> Components: metrics
> Reporter: Runping Qi
> Fix For: 0.19.0
>
> Attachments: 3062-0.patch
>
>
> In order to better understand the relationship between hadoop performance and
> the network bandwidth, we need to know
> what the aggregated traffic data in a cluster and its breakdown by racks.
> With these data, we can determine whether the network
> bandwidth is the bottleneck when certain jobs are running on a cluster.
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