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Posted to dev@mesos.apache.org by "Jie Yu (JIRA)" <ji...@apache.org> on 2014/01/29 00:30:54 UTC
[jira] [Updated] (MESOS-764) Implement Master state recovery using
the registrar.
[ https://issues.apache.org/jira/browse/MESOS-764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jie Yu updated MESOS-764:
-------------------------
Fix Version/s: (was: 0.17.0)
0.18.0
> Implement Master state recovery using the registrar.
> ----------------------------------------------------
>
> Key: MESOS-764
> URL: https://issues.apache.org/jira/browse/MESOS-764
> Project: Mesos
> Issue Type: Improvement
> Components: master
> Reporter: Benjamin Mahler
> Assignee: Benjamin Mahler
> Labels: twitter
> Fix For: 0.18.0
>
>
> Using the registrar backed by ZooKeeper as a means for persistent, highly available storage of the slave information will allow us to recover slave information when a master is elected as a leader.
> Having persistent slave information will allow the master to answer reconciliation requests from frameworks in a correct and reliable manner. There are currently cases where we cannot answer reconciliation requests in order to avoid providing an incorrect answer (hints in MESOS-295).
> It will also ensure that when we inform the world that a slave is removed, we can enforce that as truth even with the presence of dropped messages and master failovers.
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