[jira] [Assigned] (DRILL-5146) Unnecessary spilling to disk by sort when we only have 5000 rows with one column

["Paul Rogers (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-5146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Rogers reassigned DRILL-5146:
----------------------------------

    Assignee: Paul Rogers

> 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
>         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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