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  1. Apache Drill
  2. DRILL-6177

Merge Join - Allocate memory for outgoing value vectors based on sizes of incoming batches.

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.12.0
    • Fix Version/s: 1.13.0
    • Component/s: Execution - Flow
    • Labels:
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      Description

      Merge join currently assigns memory by default for 64k rows. Change this to assign memory for vectors based on number of rows in the outgoing batch and sizing information of each column. 

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              • Assignee:
                ppenumarthy Padma Penumarthy
                Reporter:
                ppenumarthy Padma Penumarthy
                Reviewer:
                Paul Rogers
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                • Created:
                  Updated:
                  Resolved: