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https://issues.apache.org/jira/browse/MESOS-3177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yong Qiao Wang updated MESOS-3177:
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Issue Type: Epic (was: Improvement)
Summary: Dynamic roles/weights configuration at runtime (was: Make
Mesos own configuration of roles/weights)
> Dynamic roles/weights configuration at runtime
> ----------------------------------------------
>
> Key: MESOS-3177
> URL: https://issues.apache.org/jira/browse/MESOS-3177
> Project: Mesos
> Issue Type: Epic
> Components: master, slave
> Reporter: Cody Maloney
> Assignee: Yong Qiao Wang
> Labels: mesosphere
>
> All roles and weights must currently be specified up-front when starting
> Mesos masters currently. In addition, they should be consistent on every
> master, otherwise unexpected behavior could occur (You can have them be
> inconsistent for some upgrade paths / changing the set).
> This makes it hard to introduce new groups of machines under new roles
> dynamically (Have to generate a new master configuration, deploy that, before
> we can connect slaves with a new role to the cluster).
> Ideally an administrator can manually add / remove / edit roles and have the
> settings replicated / passed to all masters in the cluster by Mesos.
> Effectively Mesos takes ownership of the setting, rather than requiring it to
> be done externally.
> In addition, if a new slave joins the cluster with an unexpected / new role
> that should just work, making it much easier to introduce machines with new
> roles. (Policy around whether or not a slave can cause creation of a new
> role, a given slave can register with a given role, etc. is out of scope, and
> would be controls in the general registration process).
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