Document steps to enable {File|Ganglia}Context for kerberos metrics
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Key: HADOOP-6808
URL: https://issues.apache.org/jira/browse/HADOOP-6808
Project: Hadoop Common
Issue Type: Bug
Components: conf
Affects Versions: 0.20.2, 0.22.0
Reporter: Erik Steffl
Priority: Trivial
Fix For: 0.20.3, 0.22.0
There was apatch adding kerberos metrics which included the following line in
conf/hadoop-metrics.properties:
ugi.class=org.apache.hadoop.metrics.spi.NullContext
However to maintain consistency with dfs,jvm and mapred metrics and for
documentation purpose we should include comments in the file to include steps
to enable FileContext and GangliaContext as well. The following lines have to
be included in conf/hadoop-metrics.properties:
# Configuration of the "ugi" context for file
#ugi.class=org.apache.hadoop.metrics.file.FileContext
#ugi.period=10
#ugi.fileName=/tmp/ugimetrics.log
# Configuration of the "ugi" context for ganglia
# ugi.class=org.apache.hadoop.metrics.ganglia.GangliaContext
# ugi.period=10
# ugi.servers=localhost:8649
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