[Swift-devel] RAM needs for running a swift workflow

[Mihael Hategan]

We need to figure out the exact numbers, but running multiple workflows
inside one JVM is better than running multiple JVMs.
However, there is no reasonable existing way of doing that right now. It
could be explored though.

On Mon, 2007-03-12 at 14:31 -0500, Mike Wilde wrote:
> Does anyone have any data on how much memory is used for simple swift 
> workflows, and how that scales up?
> 
> I ask because if we have numerous students in a workshop running swift on the 
> same submit host, we need to know how many it can handle before it consumes 
> all RAM and starts paging/swapping.
> 
> A good thing to measure in the future for our application workflows (albeit 
> not the most critical for most applications).
> 
> Alternatively - with the current command set, is there a practical way to have 
> many users share the same JVM to run small independent workflows?  (I assume 
> not, and that this might be a feature to consider in the distant future. Would 
> there be much savings for sharing a JVM, or is more of the memory overhead 
> per-workflow than per-JVM?)
> 
> - Mike
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