[hunchentoot-devel] how much virtual memory do your servers use?

[Robert Synnott]

On Jan 5, 2008 7:32 PM, Jeff Cunningham <jeffrey at cunningham.net> wrote:
> I just noticed that two hunchentoot servers I'm running (on different
> machines) are using 528m and 894m, respectively, as reported by top. Yet
> the core images that SBCL creates are only 71.5m and 62.0m,
> respectively. I was wondering if there is a memory leak, so I killed
> them and restarted them. The virtual memory usage was exactly the same
> right when they started up.
>
> I know next to nothing about garbage collection in Lisp, so if it has
> something to do with that, I'm lost. But I'm wondering if there's
> something wrong? For the core to expand to roughly 10x in virtual memory
> seems excessive and ultimately limiting in terms of server usage.
>
> What kind of virtual memory usage do you folks see in your servers? And
> how does it correlate with Lisp implementations? If you will send me
> some numbers I will pull together some statistics and post them.
>
> FWIW: I'm running SBCL 1.0.12, Hunchentoot 0.14.7, and the package
> dependencies all brought up to date as of when 0.14.7 was released.
>
> Thanks,
>
> --Jeff
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VIRTUAL memory shouldn't really be a problem. Resident memory is of
more interest.
Rob.

-- 
Robert Synnott
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