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From "Swapnil Daingade (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2486) FileSystem counters can overflow for large number of readOps, largeReadOps, writeOps
Date Mon, 01 Sep 2014 21:02:20 GMT
Swapnil Daingade created YARN-2486:
--------------------------------------

             Summary: FileSystem counters can overflow for large number of readOps, largeReadOps,
writeOps
                 Key: YARN-2486
                 URL: https://issues.apache.org/jira/browse/YARN-2486
             Project: Hadoop YARN
          Issue Type: Bug
    Affects Versions: 2.4.1
            Reporter: Swapnil Daingade
            Priority: Minor


The org.apache.hadoop.fs.FileSystem.Statistics.StatisticsData class defines readOps, largeReadOps,
writeOps as int. Also the The org.apache.hadoop.fs.FileSystem.Statistics class has methods
like getReadOps(), getLargeReadOps() and getWriteOps() that return int. These int values can
overflow if the exceed 2^31-1 showing negative values. It would be nice if these can be changed
to long.




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