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https://issues.apache.org/jira/browse/DRILL-6644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16581583#comment-16581583
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ASF GitHub Bot commented on DRILL-6644:
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ilooner 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-413329411
@Ben-Zvi thanks for the review.
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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
> Labels: ready-to-commit
> 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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