[jira] [Assigned] (MESOS-527) Command Executors do not have Executor IDs in the master.

["Benjamin Mahler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Mahler reassigned MESOS-527:
-------------------------------------

    Assignee: Benjamin Mahler
    
> Command Executors do not have Executor IDs in the master.
> ---------------------------------------------------------
>
>                 Key: MESOS-527
>                 URL: https://issues.apache.org/jira/browse/MESOS-527
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Benjamin Mahler
>            Assignee: Benjamin Mahler
>
> The webui is broken for command executors because the master does not know the executor ID for the tasks using a command executor. This is because the Task protobuf only has the executor_id field, no other field to indicate the presence of the command executor.
> It seems the slave also doesn't set the Task.executor_id for command executors, thus relying on it being optionally set in executorTerminated() to determine whether the task used a command executor.
> This all seems pretty messy, a few things to consider:
> 1) Should we simply always set the Task.executor_id for these tasks? The master could do so currently, but there would be an implicit contract that the slave and master both use the task id as the executor id.
> 2) We can add a boolean is_command_executor to Task, so that both the master and slave can set the field, and the slave can use the boolean in executorTerminated() to determine whether the task used a command executor.
> 3) Alternatively, we can add a /frameworks/FID/tasks/TID url format for the broken links on the master webui, so that we can search for the task in the slave state to locate its executor.

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