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Posted to dev@drill.apache.org by "Padma Penumarthy (JIRA)" <ji...@apache.org> on 2018/02/22 03:12:02 UTC

[jira] [Created] (DRILL-6177) Merge Join - Allocate memory for outgoing value vectors based on sizes of incoming batches.

Padma Penumarthy created DRILL-6177:
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             Summary: Merge Join - Allocate memory for outgoing value vectors based on sizes of incoming batches.
                 Key: DRILL-6177
                 URL: https://issues.apache.org/jira/browse/DRILL-6177
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Flow
    Affects Versions: 1.12.0
            Reporter: Padma Penumarthy
            Assignee: Padma Penumarthy
             Fix For: 1.13.0


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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