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https://issues.apache.org/jira/browse/DRILL-5080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15933928#comment-15933928
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Paul Rogers commented on DRILL-5080:
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That is what Rahul has been doing for the last month or so.
Also, we are in the process of offering a PR for an internal test framework.
Once that is done, we can do a PR for detailed "sub-operator" unit tests to
verify many of the code-level bugs described here.
In general, we do need a good way to verify such internal bugs: QA can't do it
from outside of the product because doing so is like fixing a watch wearing
oven mitts...
> Create a memory-managed version of the External Sort operator
> -------------------------------------------------------------
>
> Key: DRILL-5080
> URL: https://issues.apache.org/jira/browse/DRILL-5080
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.8.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Labels: ready-to-commit
> Fix For: 1.10.0
>
> Attachments: ManagedExternalSortDesign.pdf
>
>
> We propose to create a "managed" version of the external sort operator that
> works to a clearly-defined memory limit. Attached is a design specification
> for the work.
> The project will include fixing a number of bugs related to the external
> sort, include as sub-tasks of this umbrella task.
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