Ng Pheng Siong wrote on Thu, Dec 19, 2002 at 01:35:33PM +0800: 
> 
> So far, the virtual server providers I've found use jail, mainly because
> jail comes as part of FreeBSD but VMware is commercial software and
> unsupported on FreeBSD.

Unsupported yes, but it works just fine for me.

> 
> > CMUCL doesn't _really_ allocate huge amounts of memory at startup: it
> > is only reserving a large amount of memory for possible future use. So
> > its "virtual size" is very large, but only around 17MB are resident
> > initially. You can reduce the virtual size by using the
> > -dynamic-space-size commandline option (try with 100 for example), and
> > by building a "small" core. 
> 
> Yup, I collected some numbers with top and these agree with you.

So did you try the -dynamic-space-size option?

All the other spaces in CMUCL are also drastically oversized by
default as well.  I run them all at the bare minimum just fine.

> Essentially, in a virtual server environment, the resource limits are such
> that CMUCL can't even start and my provider-to-be is unable to play the
> tuning game with me.

Are you sure you are facing resource limit issues and not mmap'ing
into space not mmap'able?

Martin

Reply via email to