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Posted to issues@mesos.apache.org by "Greg Mann (JIRA)" <ji...@apache.org> on 2015/11/03 20:05:27 UTC

[jira] [Updated] (MESOS-3388) Add an interface to allow Slave Modules to checkpoint/restore state.

     [ https://issues.apache.org/jira/browse/MESOS-3388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Greg Mann updated MESOS-3388:
-----------------------------
    Shepherd: Kapil Arya

> Add an interface to allow Slave Modules to checkpoint/restore state.
> --------------------------------------------------------------------
>
>                 Key: MESOS-3388
>                 URL: https://issues.apache.org/jira/browse/MESOS-3388
>             Project: Mesos
>          Issue Type: Bug
>            Reporter: Kapil Arya
>            Assignee: Greg Mann
>
> * This is to restore module-specific in-memory data structures that might be required by the modules to do cleanup on task exit, etc.
> * We need to define the interaction when an Agent is restarted with a different set of modules.
> One open question is how does an Agent identify a certain module? One possibility is to assign a UID to the module and pass it in during `create()`?. The UID is used to assign a ckpt directory during ckpt/restore. (Something like /tmp/mesos/.../<slaveID>/modules/<module UID>).



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