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https://issues.apache.org/jira/browse/DRILL-6644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16585773#comment-16585773
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ASF GitHub Bot commented on DRILL-6644:
---------------------------------------

arina-ielchiieva commented on issue #1409: DRILL-6644: Don't reserve space for 
incoming probe batches unnecessarily during the build phase.
URL: https://github.com/apache/drill/pull/1409#issuecomment-414274214
 
 
   @ilooner I'll remove ready-to-commit label, please put it back when test 
failures are resolved.

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> In Some Cases The HashJoin Memory Calculator Over Reserves Memory For The 
> Probe Side During The Build Phase
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-6644
>                 URL: https://issues.apache.org/jira/browse/DRILL-6644
>             Project: Apache Drill
>          Issue Type: Improvement
>    Affects Versions: 1.14.0
>            Reporter: Timothy Farkas
>            Assignee: Timothy Farkas
>            Priority: Major
>             Fix For: 1.15.0
>
>
> There are two cases where the HashJoin Memory calculator over reserves memory:
>  1. It reserves a maximum incoming probe batch size during the build phase. 
> This is not really necessary because we will not fetch probe data until the 
> probe phase. We only have to account for the data received during 
> OK_NEW_SCHEMA.
>  2. https://issues.apache.org/jira/browse/DRILL-6646



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