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From "Pritesh Maker (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-6177) Merge Join - Allocate memory for outgoing value vectors based on sizes of incoming batches.
Date Thu, 01 Mar 2018 22:35:00 GMT

    [ https://issues.apache.org/jira/browse/DRILL-6177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16382784#comment-16382784
] 

Pritesh Maker commented on DRILL-6177:
--------------------------------------

[~ppenumarthy] this is the right PR?

Apache PR link (DRILL-6162, DRILL-6126, DRILL-6177)

[https://github.com/apache/drill/pull/1125]

> 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
>            Priority: Major
>             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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