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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-19702) Increasse refuse_seconds timeout in the Mesos Spark Dispatcher
Date Tue, 07 Mar 2017 21:31:38 GMT

     [ https://issues.apache.org/jira/browse/SPARK-19702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen reassigned SPARK-19702:
---------------------------------

         Assignee: Michael Gummelt
         Priority: Minor  (was: Major)
    Fix Version/s: 2.2.0

Resolved by https://github.com/apache/spark/pull/17031

> Increasse refuse_seconds timeout in the Mesos Spark Dispatcher
> --------------------------------------------------------------
>
>                 Key: SPARK-19702
>                 URL: https://issues.apache.org/jira/browse/SPARK-19702
>             Project: Spark
>          Issue Type: New Feature
>          Components: Mesos
>    Affects Versions: 2.1.0
>            Reporter: Michael Gummelt
>            Assignee: Michael Gummelt
>            Priority: Minor
>             Fix For: 2.2.0
>
>
> Due to the problem described here: https://issues.apache.org/jira/browse/MESOS-6112,
Running > 5 Mesos frameworks concurrently can result in starvation.  For example, running
10 dispatchers could result in 5 of them getting all the offers, even if they have no jobs
to launch.  We must implement increase the refuse_seconds timeout to solve this problem. 
Another option would have been to implement suppress/revive, but that can cause starvation
due to the unreliability of mesos RPC calls.



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