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From "Hanisha Koneru (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11722) Change Datanode file IO profiling sampling to percentage
Date Fri, 28 Apr 2017 22:31:04 GMT
Hanisha Koneru created HDFS-11722:
-------------------------------------

             Summary: Change Datanode file IO profiling sampling to percentage
                 Key: HDFS-11722
                 URL: https://issues.apache.org/jira/browse/HDFS-11722
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs
            Reporter: Hanisha Koneru
            Assignee: Hanisha Koneru


Datanode disk IO profiling sampling is controlled by the setting _dfs.datanode.fileio.profiling.sampling.fraction_.
Instead of fraction, we can a percentage value to make it easier to set.



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