Ganglia counter metrics are all reported with the metric name "value", so the
counter values can not be seen
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Key: HADOOP-3422
URL: https://issues.apache.org/jira/browse/HADOOP-3422
Project: Hadoop Core
Issue Type: Bug
Components: metrics
Affects Versions: 0.16.4
Reporter: Jason
Fix For: 0.17.0
The JobInProgress class reports all metrics with the name "value". The
FileMetrics class puts all of the tags into the name when reporting the
individual values, but the Ganglia Context does not put the tags into the name..
This patch modifies the context to build names for the counter metrics out of
the tag values. This enables the user to see the indivdual counter values with
the ganglia web tool, on a per job basis
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