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https://issues.apache.org/jira/browse/MESOS-295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Mahler updated MESOS-295:
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Fix Version/s: (was: 0.16.0)
0.17.0
> Allow new masters to have better understanding of cluster state
> ---------------------------------------------------------------
>
> Key: MESOS-295
> URL: https://issues.apache.org/jira/browse/MESOS-295
> Project: Mesos
> Issue Type: Improvement
> Reporter: Joe Smith
> Assignee: Benjamin Mahler
> Priority: Critical
> Labels: twitter
> Fix For: 0.17.0
>
>
> If a new master becomes elected, it will only have knowledge of the current
> state of the cluster. This can lead to a situation where tasks become lost
> but aren't properly killed. For instance:
> 1) A set of machines (perhaps a datacenter rack) lose network connectivity
> and their tasks are marked LOST by the master. However, they're still running.
> 2) Through a potentially unrelated situation, there is a master failover to a
> new master
> 3) The network connection to the machines come back up
> 4) These slaves never killed their tasks (and they shouldn't if they can't
> talk to a master)
> 5) Tasks stay running and aren't killed, taking up resources and running
> outside the scope of the new master
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