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https://issues.apache.org/jira/browse/HADOOP-1163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486187
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Hadoop QA commented on HADOOP-1163:
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+1, because
http://issues.apache.org/jira/secure/attachment/12354789/hostname-not-part-of-ganglia-record.patch
applied and successfully tested against trunk revision
http://svn.apache.org/repos/asf/lucene/hadoop/trunk/524929. Results are at
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch
> Ganglia metrics reporting is misconfigured
> ------------------------------------------
>
> Key: HADOOP-1163
> URL: https://issues.apache.org/jira/browse/HADOOP-1163
> Project: Hadoop
> Issue Type: Bug
> Components: metrics
> Affects Versions: 0.12.1
> Environment: ganglia-3.0.3
> Reporter: Michael Bieniosek
> Priority: Minor
> Attachments: hostname-not-part-of-ganglia-record.patch
>
>
> In hadoop-metrics.properties, I set
> mapred.class=org.apache.hadoop.metrics.ganglia.GangliaContext.
> If I then get the gmond xml feed from the gmond server, I get this:
> <METRIC NAME="load_one" VAL="1.04" TYPE="float" UNITS="" TN="28" TMAX="70"
> DMAX="0" SLOPE="both" SOURCE="gmond"/>
> ...
> <METRIC NAME="datanode.myhostname.bytes_read" VAL="657927" TYPE="int32"
> UNITS="" TN="5696" TMAX="60" DMAX="0" SLOPE="both" SOURCE="gmetric"/>
> Because the bytes_read metric has the datanode.hostname prefix, it will not
> aggregate with metrics from other hosts properly.
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