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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2020/12/07 14:29:00 UTC

[jira] [Created] (HADOOP-17414) Magic committer files don't have the count of bytes written collected by spark

Steve Loughran created HADOOP-17414:
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             Summary: Magic committer files don't have the count of bytes written collected by spark
                 Key: HADOOP-17414
                 URL: https://issues.apache.org/jira/browse/HADOOP-17414
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 3.2.0
            Reporter: Steve Loughran
            Assignee: Steve Loughran


The spark statistics tracking doesn't correctly assess the size of the uploaded files as it only calls getFileStatus on the zero byte objects -not the yet-to-manifest files.

Everything works with the staging committer purely because it's measuring the length of the files staged to the local FS, not the unmaterialized output.




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