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From "Qian Zhang (JIRA)" <>
Subject [jira] [Commented] (MESOS-938) Support task replacement and resizing
Date Sun, 04 Oct 2015 02:22:26 GMT


Qian Zhang commented on MESOS-938:

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.

> Support task replacement and resizing
> -------------------------------------
>                 Key: MESOS-938
>                 URL:
>             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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