[jira] [Updated] (MESOS-7757) Update master to handle updates to agent total resources

["Jie Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-7757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jie Yu updated MESOS-7757:
--------------------------
    Sprint: Mesosphere Sprint 58, Mesosphere Sprint 59  (was: Mesosphere Sprint 58)

> Update master to handle updates to agent total resources
> --------------------------------------------------------
>
>                 Key: MESOS-7757
>                 URL: https://issues.apache.org/jira/browse/MESOS-7757
>             Project: Mesos
>          Issue Type: Task
>          Components: master
>            Reporter: Benjamin Bannier
>            Assignee: Benjamin Bannier
>              Labels: mesosphere
>             Fix For: 1.4.0
>
>
> With MESOS-7755 we update the allocator interface to support updating the total resources on an agent. These allocator invocations are driven by the master when it receives an update the an agent's total resources.
> We could transport the updates from agents to the master either as update to {{UpdateSlaveMessage}}, e.g., by adding a {{repeated Resource total}} field; in order to distinguish updates to {{oversubscribed}} to updates to {{total}} we would need to introduce an additional tag field (an empty list of {{Resource}} has the same representation as an absent list of {{Resource}}). Alternatively we could introduce a new message transporting just the update to {{total}}; it should be possible to reuse such a message for external resource providers which we will likely add at a later point.



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