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https://issues.apache.org/jira/browse/DRILL-3543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15053679#comment-15053679
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Victoria Markman commented on DRILL-3543:
-----------------------------------------
We need to document the fact that after upgrade to 1.4.0 prior profiles that
contained external sort operator in them are not going to display stats
correctly. All the fields will be empty.
Screen shot attached.
> Add stats for external sort to a query profile
> ----------------------------------------------
>
> Key: DRILL-3543
> URL: https://issues.apache.org/jira/browse/DRILL-3543
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Relational Operators
> Affects Versions: 1.1.0
> Reporter: Victoria Markman
> Assignee: Deneche A. Hakim
> Priority: Critical
> Labels: documentation, usability
> Fix For: 1.4.0
>
> Attachments: Screen Shot 2015-12-11 at 2.19.37 PM.png
>
>
> The only indication if sort spilled to disk today is info from the
> drillbit.log.
> It would be great if this information was displayed in the query profile.
> {code}
> 015-07-22 23:47:29,907 [2a4fd46e-f8c3-6b96-b165-b665a41be311:frag:0:0] INFO
> o.a.d.e.p.i.xsort.ExternalSortBatch - Completed spilling to
> /tmp/drill/spill/2a4fd46e-f8c3-6b96-b165-b665a41be311/major_fragment_0/minor_fragment_0/operator_7/92
> 2015-07-22 23:47:29,919 [2a4fd46e-f8c3-6b96-b165-b665a41be311:frag:0:0] INFO
> o.a.d.e.p.i.xsort.ExternalSortBatch - Merging and spilling to
> /tmp/drill/spill/2a4fd46e-f8c3-6b96-b165-b665a41be311/major_fragment_0/minor_fragment_0/operator_7/93
> 2015-07-22 23:47:29,919 [2a4fd46e-f8c3-6b96-b165-b665a41be311:frag:0:0] INFO
> o.a.d.e.p.i.xsort.ExternalSortBatch - Completed spilling to
> /tmp/drill/spill/2a4fd46e-f8c3-6b96-b165-b665a41be311/major_fragment_0/minor_fragment_0/operator_7/93
> 2015-07-22 23:47:29,919 [2a4fd46e-f8c3-6b96-b165-b665a41be311:frag:0:0] WARN
> o.a.d.e.p.i.xsort.ExternalSortBatch - Starting to merge. 7 batch groups.
> Current allocated memory: 11566787
> {code}
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