Hive
  1. Hive
  2. HIVE-1622

Use CombineHiveInputFormat for the merge job if hive.merge.mapredfiles=true

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.7.0
    • Component/s: Query Processor
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Currently map-only merge (using CombineHiveInputFormat) is only enabled for merging files generated by mappers. It should be used for files generated at readers as well.

      1. HIVE-1622.patch
        126 kB
        Ning Zhang
      2. HIVE-1622_0.17.patch
        85 kB
        Ning Zhang

        Activity

        Carl Steinbach made changes -
        Status Resolved [ 5 ] Closed [ 6 ]
        Carl Steinbach made changes -
        Component/s Query Processor [ 12312586 ]
        Ning Zhang made changes -
        Attachment HIVE-1622_0.17.patch [ 12454424 ]
        Namit Jain made changes -
        Status Patch Available [ 10002 ] Resolved [ 5 ]
        Hadoop Flags [Reviewed]
        Fix Version/s 0.7.0 [ 12315150 ]
        Resolution Fixed [ 1 ]
        Ning Zhang made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Ning Zhang made changes -
        Field Original Value New Value
        Attachment HIVE-1622.patch [ 12454139 ]
        Ning Zhang created issue -

          People

          • Assignee:
            Ning Zhang
            Reporter:
            Ning Zhang
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            Dates

            • Created:
              Updated:
              Resolved:

              Development