[jira] [Commented] (AURORA-45) Scheduler should wait for registered to be called before attempting to invoke driver

["Kevin Sweeney (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AURORA-45?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13874104#comment-13874104 ] 

Kevin Sweeney commented on AURORA-45:
-------------------------------------

Did the TaskStateMachine refactor fix this or is it still being observed?

> Scheduler should wait for registered to be called before attempting to invoke driver
> ------------------------------------------------------------------------------------
>
>                 Key: AURORA-45
>                 URL: https://issues.apache.org/jira/browse/AURORA-45
>             Project: Aurora
>          Issue Type: Bug
>          Components: Scheduler
>            Reporter: Bill Farner
>            Assignee: Bill Farner
>
> We have observed the scheduler attempting to kill tasks before {{registered()}} had been called. This resulted in the driver dropping those attempts on the floor. Since the driver didn't signal failure to the scheduler (but instead logged an error) the scheduler wrote a KILLING state transition to the replicated log and signaled success to the client. Since the {{killTasks}} message was never sent the task timed out and the task continued to run until the GC executor reconciled state.



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