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https://issues.apache.org/jira/browse/TRAFODION-3220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hans Zeller resolved TRAFODION-3220.
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Resolution: Implemented
> Extend the existing compiler GUI to display query execution as well
> -------------------------------------------------------------------
>
> Key: TRAFODION-3220
> URL: https://issues.apache.org/jira/browse/TRAFODION-3220
> Project: Apache Trafodion
> Issue Type: New Feature
> Components: sql-exe
> Affects Versions: 2.3
> Reporter: Hans Zeller
> Assignee: Hans Zeller
> Priority: Minor
> Fix For: 2.4
>
> Attachments: ExeGui.png
>
>
> There have been several occasions where I wished we had a GUI debugging tool
> for the executor that allows to single-step through work method calls and
> that allows us to control multiple ESPs, so we can reproduce distributed
> situations like "late cancel". It turns out this is relatively easy to do, so
> I'm planning to submit a PR for this feature soon.
>
> The GUI will have one window for every fragment instance (the master fragment
> instance and then one for each ESP fragment instance). This window will allow
> to step one subtask (work method invocation, see class ExSubtask) at a time,
> or it will allow to set breakpoints at specific subtasks, or one can resume
> the instance without the GUI. I'm also adding a very primitive queue display,
> but that will need more work, in the first version it won't be possible to
> look at the data in the executor queues.
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