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Posted to dev@hive.apache.org by "Harish JP (Jira)" <ji...@apache.org> on 2021/09/14 22:30:00 UTC

[jira] [Created] (HIVE-25521) Fix concatenate file handling when files of different compressions are in same table/partition.

Harish JP created HIVE-25521:
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             Summary: Fix concatenate file handling when files of different compressions are in same table/partition.
                 Key: HIVE-25521
                 URL: https://issues.apache.org/jira/browse/HIVE-25521
             Project: Hive
          Issue Type: Bug
            Reporter: Harish JP
            Assignee: Harish JP


Currently if files of different compressions are in same directory then concatenate can fail and cause data corruption. This happens because file can be moved by one task as incompatible file and the other tasks will fail after this.

 

This issue is addressed in this Jira by only processing a file in one task where offset 0 is process and ignoring the the file in all other tasks.



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