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From "Anand Mazumdar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-3583) Introduce sessions in HTTP Scheduler API Subscribed Responses
Date Mon, 05 Oct 2015 17:48:27 GMT

     [ https://issues.apache.org/jira/browse/MESOS-3583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anand Mazumdar updated MESOS-3583:
----------------------------------
    Summary: Introduce sessions in HTTP Scheduler API Subscribed Responses  (was: Introduce
sessions in HTTP API Subscribed Responses)

> Introduce sessions in HTTP Scheduler API Subscribed Responses
> -------------------------------------------------------------
>
>                 Key: MESOS-3583
>                 URL: https://issues.apache.org/jira/browse/MESOS-3583
>             Project: Mesos
>          Issue Type: Task
>            Reporter: Anand Mazumdar
>
> Currently, the HTTP Scheduler API has no concept of Sessions aka {{SessionID}} or a {{TokenID}}.
This is useful in some failure scenarios. As of now, if a framework fails over and then subscribes
again with the same {{FrameworkID}} with the {{force}} option set. The Mesos master would
subscribe it.
> If the previous instance of the framework/scheduler tries to send a Call , e.g. {{Call::KILL}}
with the same previous {{FrameworkID}} set, it would be still accepted by the master leading
to erroneously killing a task.
> This is possible because we do not have a way currently of distinguishing connections.
It used to work in the previous driver implementation due to the master also performing a
{{UPID}} check to verify if they matched and only then allowing the call.



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