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  1. Hive
  2. HIVE-4475

Switch RCFile default to LazyBinaryColumnarSerDe

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.12.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Incompatible change
    • Release Note:
      This changes the default serde of tables that are created based on RCFile.

      Description

      For most workloads it seems LazyBinaryColumnarSerDe (binary) will perform better than ColumnarSerDe (text). Not sure why ColumnarSerDe is the default, but my guess is, that's for historical reasons. I suggest switching the default.

        Attachments

        1. HIVE-4475.2.patch
          22 kB
          Gunther Hagleitner
        2. HIVE-4475.1.patch
          254 kB
          Gunther Hagleitner

          Activity

            People

            • Assignee:
              hagleitn Gunther Hagleitner
              Reporter:
              hagleitn Gunther Hagleitner
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              Dates

              • Created:
                Updated:
                Resolved: