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Posted to mapreduce-issues@hadoop.apache.org by "Jason Dere (JIRA)" <ji...@apache.org> on 2014/04/22 22:40:16 UTC

[jira] [Created] (MAPREDUCE-5853) ChecksumFileSystem.getContentSummary() including contents for crc files

Jason Dere created MAPREDUCE-5853:
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             Summary: ChecksumFileSystem.getContentSummary() including contents for crc files 
                 Key: MAPREDUCE-5853
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5853
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Jason Dere


Trying to track down some differences in Hive statistics between hadoop-1/hadoop-2.  It looks like although ChecksumFileSystem.listStatus() filters out CRC files, getContentSummary() falls back to using the FilterFileSystem.getContentSummary() implementation, which calls fs.getContentSummary().  The underlying fs may not have the same filters as the ChecksumFileSystem and so the CRC files can get included in the content summary.



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