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https://issues.apache.org/jira/browse/DRILL-6180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Padma Penumarthy updated DRILL-6180:
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Labels: ready-to-commit (was: )
Reviewer: Paul Rogers
> Use System Option "output_batch_size" for External Sort
> -------------------------------------------------------
>
> Key: DRILL-6180
> URL: https://issues.apache.org/jira/browse/DRILL-6180
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Flow
> Affects Versions: 1.12.0
> Reporter: Padma Penumarthy
> Assignee: Padma Penumarthy
> Priority: Critical
> Labels: ready-to-commit
> Fix For: 1.13.0
>
>
> External Sort has boot time configuration for output batch size
> "drill.exec.sort.external.spill.merge_batch_size" which is defaulted to 16M.
> To make batch sizing configuration uniform across all operators, change this
> to use new system option that is added
> "drill.exec.memory.operator.output_batch_size". This option has default value
> of 32M.
> So, what are the implications if default is changed to 32M for external sort ?
> Instead, should we change the output batch size default to 16M for all
> operators ?
>
>
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