GitHub user kkhatua opened a pull request:

    https://github.com/apache/drill/pull/1197

    DRILL-6279: UI indicates operators that spilled in-memory data to disk

    1. Detect the presence of an operator that has spilled to disk, in the 
Operators Overview section of a query's profile page.
    2. Introduced API to inject html attributes into a cell. This is used to 
inject details about the spill in the avg peak and max peak memory usage
    3. Javascript is leveraged to detect spilled operators' HTML elements, and 
inject a symbolic font for indicating the operator as having spilt.
    4. Mouse-over effect indicates the average and max number of spill cycles 
the operator went through. 
    
    NOTE: Bootstrap library comes with Glyphicons Halfling Fonts and meets the 
Apache license requirements.
    http://glyphicons.com/license#halflingsbootstrap

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/kkhatua/drill DRILL-6279

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/drill/pull/1197.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1197
    
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commit 230d739c05e2f2da93232fe31dec55adf627937e
Author: Kunal Khatua <kkhatua@...>
Date:   2018-03-30T04:58:53Z

    DRILL-6279: UI indicates operators that spilled in-memory data to disk
    
    1. Detect the presence of an operator that has spilled to disk, in the 
Operators Overview section of a query's profile page.
    2. Introduced API to inject html attributes into a cell. This is used to 
inject details about the spill in the avg peak and max peak memory usage
    3. Javascript is leveraged to detect spilled operators' HTML elements, and 
inject a symbolic font for indicating the operator as having spilt.
    4. Mouse-over effect indicates the average and max number of spill cycles 
the operator went through.

commit 5641e713888db6e3e028a5749bd902dc3bdc6562
Author: Kunal Khatua <kkhatua@...>
Date:   2018-03-26T05:05:06Z

    Addition of Bootstrap's Glyphicons
    
    As part of the Bootstrap's components, this meets Apache License criteria

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