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From "Benjamin Mahler (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (MESOS-7061) Re-persist tasks/executors with allocation info during agent recovery.
Date Sat, 11 Feb 2017 01:13:42 GMT

     [ https://issues.apache.org/jira/browse/MESOS-7061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Mahler reassigned MESOS-7061:
--------------------------------------

    Assignee: Michael Park

[~mcypark] can you still take this?

> Re-persist tasks/executors with allocation info during agent recovery.
> ----------------------------------------------------------------------
>
>                 Key: MESOS-7061
>                 URL: https://issues.apache.org/jira/browse/MESOS-7061
>             Project: Mesos
>          Issue Type: Task
>          Components: agent
>            Reporter: Benjamin Mahler
>            Assignee: Michael Park
>
> When the agent is upgraded, it will need to re-persist resources for recovered active
tasks and executors, but with Resource.allocation_info.role set to FrameworkInfo.role.
> If this agent receives new tasks from an old master (because the master has not been
upgraded yet), it will also augment the resources to have Resource.allocation_info.role set
prior to persisting on disk. This is necessary to ensure we continue to charge existing tasks
/ executors if the framework changes its role(s).
> Importantly, re-persisting will not prevent downgrading the agent since a downgraded
agent will simply ignore the unknown fields.



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