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From Timothy Farkas <...@datatorrent.com>
Subject Re: Default App Master Container Memory Size
Date Sun, 13 Dec 2015 04:30:19 GMT
Hi Ilya,

Dou you reduce the memory to 256 mb for operators only or for the App
Master as well?

Thanks,
Tim

On Sat, Dec 12, 2015 at 8:06 PM, Ganelin, Ilya <Ilya.Ganelin@capitalone.com>
wrote:

> Tim - in our applications we've actually tried to go with smaller
> containers, as small as 256 MB, simply because many operators don't demand
> any memory and this allows us to run more partitions.
>
> We haven't noticed performance degradation.
>
>
>
> Thank you,
> Ilya Ganelin
>
>
>
> -----Original Message-----
> From: Timothy Farkas [tim@datatorrent.com<mailto:tim@datatorrent.com>]
> Sent: Saturday, December 12, 2015 11:02 PM Eastern Standard Time
> To: dev@apex.incubator.apache.org
> Subject: Default App Master Container Memory Size
>
>
> Hi All,
>
> The default value for MASTER_MEMORY_MB is 1024. I've observed in multiple
> demo apps and in the production apps of some of our users that 1024 MB is
> not enough memory, and the app master dies. This was observed on small
> applications with 5 - 20 containers. I think the default app master memory
> size should be 2048.
>
> Any feedback?
>
> Thanks,
> Tim
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