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https://issues.apache.org/jira/browse/IMPALA-12365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17759168#comment-17759168
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Surya Hebbar commented on IMPALA-12365:
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Gridlines of multiple charts are aligned together to help ease identifying the
CPU utilization, thread usage and memory usage at a point in time.
After scaling the timeline, hovering over the edges moves the timeline in
either of left or right directions to help ease with scrolling.
[^aligned_gridlines_and_hovering_scroll.mkv]
!aligned_gridlines.png!
> Show fragment's memory and thread usage on the query timeline
> -------------------------------------------------------------
>
> Key: IMPALA-12365
> URL: https://issues.apache.org/jira/browse/IMPALA-12365
> Project: IMPALA
> Issue Type: Improvement
> Reporter: Surya Hebbar
> Assignee: Surya Hebbar
> Priority: Major
> Attachments: aligned_gridlines.png,
> aligned_gridlines_and_hovering_scroll.mkv, clickable_plan_nodes.mkv,
> clickable_plan_nodes.png
>
>
> The query timeline's fragment diagram can be used to display different memory
> and thread usage metrics, to support query planning and debugging purposes.
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