default "hadoop-metrics.properties" doesn't mention "dfs" context
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Key: HADOOP-5455
URL: https://issues.apache.org/jira/browse/HADOOP-5455
Project: Hadoop Core
Issue Type: Improvement
Components: documentation, metrics
Reporter: Philip Zeyliger
Priority: Minor
The "hadoop-metrics.properties" file that's shipped in conf/ has configuration
settings for the metrics contexts "dfs", "mapred", and "jvm". The (trivial)
patch I'm proposing is to include default configuration for the "rpc" context
as well. RPC metrics may be useful, and it's difficult for a user to intuit
otherwise that rpc metrics even exist. (I stumbled upon them after exploring
with JConsole and JMX.)
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