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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4694) Revive number of files listed metrics
Date Thu, 20 Nov 2008 16:50:44 GMT
Revive number of files listed metrics

                 Key: HADOOP-4694
                 URL: https://issues.apache.org/jira/browse/HADOOP-4694
             Project: Hadoop Core
          Issue Type: New Feature
          Components: dfs, metrics
    Affects Versions: 0.18.0
            Reporter: Koji Noguchi

When namenode becomes unresponsive by HADOOP-4693 (large filelist calls), metrics has been
helpful in finding out the cause.
When gc time hikes, "FileListed" metrics also hiked.

In 0.18, after we *fixed* "FileListed" metrics so that it shows number of operations instead
of number of files listed (HADOOP-3683), I stopped seeing this relationship graph.  

Can we bring back "NumbverOfFilesListed" metrics?

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