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  1. Hive
  2. HIVE-3072

Hive List Bucketing - DDL support

    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.10.0
    • Component/s: SQL
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      Hide
      This feature is incomplete and has been disabled until HIVE-3073 (DML support for list bucketing) is finished and committed.
      Show
      This feature is incomplete and has been disabled until HIVE-3073 (DML support for list bucketing) is finished and committed.

      Description

      If a hive table column has skewed keys, query performance on non-skewed key is always impacted. Hive List Bucketing feature will address it:

      https://cwiki.apache.org/Hive/listbucketing.html

      This jira issue will track DDL change for the feature. It's for both single skewed column and multiple columns.

        Attachments

        1. HIVE-3072.patch
          504 kB
          Gang Tim Liu
        2. HIVE-3072.patch.1
          506 kB
          Gang Tim Liu
        3. HIVE-3072.patch.2
          513 kB
          Gang Tim Liu
        4. HIVE-3072.patch.3
          513 kB
          Gang Tim Liu
        5. HIVE-3072.patch.4
          526 kB
          Gang Tim Liu
        6. HIVE-3072.patch.5
          605 kB
          Gang Tim Liu
        7. HIVE-3072.patch.6
          606 kB
          Gang Tim Liu
        8. HIVE-3072.patch.7
          607 kB
          Gang Tim Liu

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              • Assignee:
                gangtimliu Gang Tim Liu
                Reporter:
                gangtimliu Gang Tim Liu
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                Dates

                • Created:
                  Updated:
                  Resolved: