[jira] [Assigned] (MESOS-4027) Improve task-node affinity

["Qian Zhang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-4027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Qian Zhang reassigned MESOS-4027:
---------------------------------

    Assignee: Qian Zhang

> Improve task-node affinity
> --------------------------
>
>                 Key: MESOS-4027
>                 URL: https://issues.apache.org/jira/browse/MESOS-4027
>             Project: Mesos
>          Issue Type: Wish
>          Components: allocation, general
>            Reporter: Chris
>            Assignee: Qian Zhang
>            Priority: Trivial
>
> Improve task-to-node affinity and anti-affinity (running hadoop or spark jobs on a node currently running hdfs or to avoid running Ceph on HDFS nodes).
> Provide a user-mutable Attribute in TaskInfo (the Attribute is modified by a Framework Scheduler) that can describe what a Task is running.
> The Attribute would propagate to a Task at execution. The Attribute is  passed to Framework Schedulers as part of an Offer's Attributes list. 
> A Framework Scheduler could then filter out or accept Offers from Nodes that are currently labeled with a desired set or individual Attribute.



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