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https://issues.apache.org/jira/browse/DRILL-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Ollala updated DRILL-4121:
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Reviewer: Victoria Markman
> External Sort may not spill if above a receiver
> -----------------------------------------------
>
> Key: DRILL-4121
> URL: https://issues.apache.org/jira/browse/DRILL-4121
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.1.0
> Reporter: Deneche A. Hakim
> Assignee: Deneche A. Hakim
> Fix For: 1.5.0
>
>
> If external sort is above a receiver, all received batches will contain non
> root buffers. Sort operator doesn't account for non root buffers when
> estimating how much memory and if it needs to spill to disk. This may delay
> the spill and cause the corresponding Drillbit to use large amounts of memory
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