[jira] [Commented] (MESOS-6457) Tasks shouldn't transition from TASK_KILLING to TASK_RUNNING.

["Gastón Kleiman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-6457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626057#comment-15626057 ] 

Gastón Kleiman commented on MESOS-6457:
---------------------------------------

[~zhitao] yes, this behaviour only affect the default and the command executors.

I believe that it is still possible for a task in {{TASK_KILLING}} to transition to {{TASK_LOST}}. Given that {{TASK_LOST}} is not a terminal state, I don't know if it would then be possible for the task to transition to {{TASK_RUNNING}} instead of to {{TASK_KILLING}}/{{TASK_KILLED}}. Maybe [~neilc] knows.

> Tasks shouldn't transition from TASK_KILLING to TASK_RUNNING.
> -------------------------------------------------------------
>
>                 Key: MESOS-6457
>                 URL: https://issues.apache.org/jira/browse/MESOS-6457
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Gastón Kleiman
>            Assignee: Gastón Kleiman
>            Priority: Blocker
>
> A task can currently transition from {{TASK_KILLING}} to {{TASK_RUNNING}}, if for example it starts/stops passing a health check once it got into the {{TASK_KILLING}} state.
> I think that this behaviour is counterintuitive. It also makes the life of framework/tools developers harder, since they have to keep track of the complete task status history in order to know if a task is being killed.



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