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https://issues.apache.org/jira/browse/DRILL-5146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Hou closed DRILL-5146.
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I have verified this is fixed.
> Unnecessary spilling to disk by sort when we only have 5000 rows with one
> column
> --------------------------------------------------------------------------------
>
> Key: DRILL-5146
> URL: https://issues.apache.org/jira/browse/DRILL-5146
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Reporter: Rahul Challapalli
> Assignee: Paul Rogers
> Fix For: 1.12.0
>
> Attachments: 27a52efb-0ce6-f2ad-7216-aef007926649.sys.drill,
> data.tgz, spill.log
>
>
> git.commit.id.abbrev=cf2b7c7
> The below query spills to disk for the sort. The dataset contains 5000 files
> and each file contains a single record.
> {code}
> select * from dfs.`/drill/testdata/resource-manager/5000files/text` order by
> columns[1];
> {code}
> Enviironment :
> {code}
> DRILL_MAX_DIRECT_MEMORY="16G"
> DRILL_MAX_HEAP="4G"
> {code}
> I attached the dataset, logs and the profile
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