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https://issues.apache.org/jira/browse/MESOS-938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14942534#comment-14942534
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Qian Zhang commented on MESOS-938:
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Discussed with [~nnielsen], task replacement is not our priority anymore since
we already have the dynamic reservation feature which can be used to achieve
task replacement. And task resizing is our priority now, I have drafted a
design doc for it (see the link below), and will work on it in MESOS-1279.
https://docs.google.com/document/d/15rVmS2AXLzTDSEugAVDxWuHFUentp82KhL2yzxBCsi8/edit?usp=sharing
> Support task replacement and resizing
> -------------------------------------
>
> Key: MESOS-938
> URL: https://issues.apache.org/jira/browse/MESOS-938
> Project: Mesos
> Issue Type: Improvement
> Components: c++ api, master, slave
> Reporter: Niklas Quarfot Nielsen
> Assignee: Qian Zhang
> Attachments: resource-flow.png
>
>
> Task replacement and scaling primitives could allow easier up and
> down-scaling by reusing resources from an old task either partially (leaving
> resource delta available), fully or augmented (backed by additional offers)
> for launching a new task. Further, recovery logic can be applied which
> restarts the old task in case of new task failure.
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