Ganglia metrics reporting is misconfigured
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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
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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