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https://issues.apache.org/jira/browse/DRILL-2977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sudheesh Katkam updated DRILL-2977:
-----------------------------------
    Attachment: DRILL-2977.4.patch.txt

> In WorkManager, startFragmentPendingRemote() and addFragmentRunner() need to 
> be permuted
> ----------------------------------------------------------------------------------------
>
>                 Key: DRILL-2977
>                 URL: https://issues.apache.org/jira/browse/DRILL-2977
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>            Reporter: Deneche A. Hakim
>            Assignee: Venki Korukanti
>             Fix For: 1.0.0
>
>         Attachments: DRILL-2977.2.patch.txt, DRILL-2977.3.patch.txt, 
> DRILL-2977.4.patch.txt
>
>
> In WorkManager 2 methods can be used to start a fragment executor:
> - startFragmentPendingRemote(FragmentManager) will start running a fragment 
> by calling executor.execute(fragment)
> - addFragmentRunner(FragmentExecutor) will add the fragment to 
> runningFragments and start a fragment after wrapping it inside a 
> SelfCleanableRunner to make sure it's manager is removed from the 
> WorkEventBus once finished.
> Looking at how both methods are called it seems that we are actually calling 
> startFragmentPendingRemote() for fragments that were added to the 
> WorkEventBus and we call addFragmentRunner() for fragment that were not added 
> to the workBus!!! For example in Foreman.setupRootFragment() we have the 
> following:
> {code}
>     if (buffers.isDone()) {
>       // if we don't have to wait for any incoming data, start the fragment 
> runner.
>       bee.addFragmentRunner(fragmentManager.getRunnable());
>     } else {
>       // if we do, record the fragment manager in the workBus.
>       drillbitContext.getWorkBus().addFragmentManager(fragmentManager);
>     }
> {code}
> The names of the methods are correct, but we need to switch their 
> implementations



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