[jira] [Commented] (SPARK-13433) The standalone server should limit the count of cores and memory for running Drivers

["lichenglin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-13433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15157050#comment-15157050 ] 

lichenglin commented on SPARK-13433:
------------------------------------

It's something like deadlock.

driver use all cores> application has no cores to be finished>the driver won't be finish>driver keep the core>driver use all cores;

if the application won't be finished, the driver won't be finished too.

I mean that We should not let the driver use all the cores,
to make sure that the application have at least one core to do it's job.




> The standalone   server should limit the count of cores and memory for running Drivers
> --------------------------------------------------------------------------------------
>
>                 Key: SPARK-13433
>                 URL: https://issues.apache.org/jira/browse/SPARK-13433
>             Project: Spark
>          Issue Type: Improvement
>          Components: Scheduler
>    Affects Versions: 1.6.0
>            Reporter: lichenglin
>
> I have a 16 cores cluster.
> A  Running driver at least use 1 core may be more.
> When I submit a lot of job to the standalone  server in cluster mode.
> all the cores may be used for running driver,
> and then there is no cores to run applications
> The server is stuck.
> So I think we should limit the resources(cores and memory) for running driver.



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