Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-15489

Alternatively use table scan stats for HoS

Log workAgile BoardRank to TopRank to BottomBulk Copy AttachmentsBulk Move AttachmentsVotersWatch issueWatchersCreate sub-taskConvert to sub-taskMoveLinkCloneLabelsUpdate Comment AuthorReplace String in CommentUpdate Comment VisibilityDelete Comments
    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.2.0
    • 2.3.0
    • Spark, Statistics
    • None

    Description

      For MapJoin in HoS, we should provide an option to only use stats in the TS rather than the populated stats in each of the join branch. This could be pretty conservative but more reliable.

      Attachments

        1. HIVE-15489.wip.patch
          9 kB
          Chao Sun
        2. HIVE-15489.7.patch
          24 kB
          Chao Sun
        3. HIVE-15489.6.patch
          10 kB
          Chao Sun
        4. HIVE-15489.3.patch
          9 kB
          Chao Sun
        5. HIVE-15489.2.patch
          9 kB
          Chao Sun
        6. HIVE-15489.1.patch
          9 kB
          Chao Sun

        Issue Links

        Activity

          This comment will be Viewable by All Users Viewable by All Users
          Cancel

          People

            csun Chao Sun Assign to me
            csun Chao Sun
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

              Slack

                Issue deployment