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https://issues.apache.org/jira/browse/DRILL-5005?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15933926#comment-15933926
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Paul Rogers commented on DRILL-5005:
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There was no PR. As noted, decided to leave the UI labels unchanged. The memory
reporting was an internal change to the external sort code, not UI.
The test for this is to run a query and look at the output: is the memory
listed correct?
> Potential issues with external sort info in query profile
> ---------------------------------------------------------
>
> Key: DRILL-5005
> URL: https://issues.apache.org/jira/browse/DRILL-5005
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.9.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Minor
> Fix For: 1.10.0
>
>
> Run a query that will include an external sort.
> Look at the visualized plan. The external sort is shown in the tree as just
> "Sort". Suggestion: say "External Sort".
> In the operator profiles section, memory use for EXTERNAL_SORT is listed as
> 26MB. Yet the file being sorted is 388 MB. Even allowing for projects of a
> subset of column, 26 MB seems awfully small to hold the data set.
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