[jira] [Commented] (MESOS-4671) Status updates from executor can be forwarded out of order by the Agent.

["Anand Mazumdar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MESOS-4671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15145712#comment-15145712 ] 

Anand Mazumdar commented on MESOS-4671:
---------------------------------------

cc: [~avinash@mesosphere.io], [~jieyu]

> Status updates from executor can be forwarded out of order by the Agent.
> ------------------------------------------------------------------------
>
>                 Key: MESOS-4671
>                 URL: https://issues.apache.org/jira/browse/MESOS-4671
>             Project: Mesos
>          Issue Type: Bug
>          Components: containerization, HTTP API
>    Affects Versions: 0.28.0
>            Reporter: Anand Mazumdar
>              Labels: mesosphere
>
> Previously, all status update messages from the executor were forwarded by the agent to the master in the order that they had been received. 
> However, that seems to be no longer valid due to a recently introduced change in the agent:
> {code}
> // Before sending update, we need to retrieve the container status.
>   containerizer->status(executor->containerId)
>     .onAny(defer(self(),
>                  &Slave::_statusUpdate,
>                  update,
>                  pid,
>                  executor->id,
>                  lambda::_1));
> {code}
> This can sometimes lead to status updates being sent out of order depending on the order the {{Future}} is fulfilled from the call to {{status(...)}}.



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