Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-11617 Explain plan for multiple lateral views is very slow
  3. HIVE-11800

GenMapRedWalker in MapReduceCompiler.java seems not efficient

    XMLWordPrintableJSON

Details

    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • Logical Optimizer
    • None

    Description

      Investigate the implementation of GenMapRedWalker in MapReduceCompiler.java to see if the performance can be improved.

      Attachments

        Activity

          People

            Unassigned Unassigned
            aihuaxu Aihua Xu
            Votes:
            0 Vote for this issue
            Watchers:
            3 Start watching this issue

            Dates

              Created:
              Updated: