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https://issues.apache.org/jira/browse/MESOS-6223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15590108#comment-15590108
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Megha commented on MESOS-6223:
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Recovery of agent post a reboot is required to be able to support restart of
Restartable tasks when the executor dies as a result of agent host reboot.
Here's the detailed design doc for Restartable Tasks:
https://docs.google.com/document/d/1YS_EBUNLkzpSru0dwn_hPUIeTATiWckSaosXSIaHUCo/edit?usp=sharing
> Allow agents to re-register post a host reboot
> ----------------------------------------------
>
> Key: MESOS-6223
> URL: https://issues.apache.org/jira/browse/MESOS-6223
> Project: Mesos
> Issue Type: Improvement
> Components: slave
> Reporter: Megha
> Assignee: Megha
>
> Agent does’t recover its state post a host reboot, it registers with the
> master and gets a new SlaveID. With partition awareness, the agents are now
> allowed to re-register after they have been marked Unreachable. The executors
> are anyway terminated on the agent when it reboots so there is no harm in
> letting the agent keep its SlaveID, re-register with the master and reconcile
> the lost executors. This is a pre-requisite for supporting
> persistent/restartable tasks in mesos (MESOS-3545).
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