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From Akhil Das <ak...@sigmoidanalytics.com>
Subject Re: Spark cluster stability
Date Mon, 03 Nov 2014 07:38:47 GMT
You can enable monitoring (nagios) with alerts to tackle these kind of
issues.

Thanks
Best Regards

On Mon, Nov 3, 2014 at 10:55 AM, jatinpreet <jatinpreet@gmail.com> wrote:

> Hi,
>
> I am running a small 6 node spark cluster for testing purposes. Recently,
> one of the node's physical memory was filled up by temporary files and
> there
> was no space left on the disk. Due to this my Spark jobs started failing
> even though on the Spark Web UI the was shown 'Alive'. Once I logged on to
> the machine and cleaned up some trash, I was able to run the jobs again.
>
> My question is, how reliable my Spark cluster can be if issues like these
> can bring down my jobs? I would have expected Spark to not use this node or
> at least distribute this work to other nodes. But as the node was still
> alive, it tried to run tasks on it regardless.
>
> Thanks,
> Jatin
>
>
>
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