Re: [webmin-l] updates

[Jamie C. <jca...@we...>]

On 12/Dec/2006 11:46 Barry wrote ..
> Jamie Cameron wrote:
> > On 11/Dec/2006 22:32 Barry wrote ..
> >> Jamie Cameron wrote:
> >>> On 11/Dec/2006 18:52 Barry wrote ..
> >>>> OK - a little more info after some more testing -
> >>>>
> >>>> It does indeed seem I am running into a low memory condition.
> >>>>
> >>>> How much memory does miniserv/webmin need anyway?
> >>>>
> >>>> Miniserv.error gives me the sparse message:
> >>>>
> >>>> Out of memory!
> >>>>
> >>>> which doesn't help me help it :(
> >>> It really doesn't use much memory.. on one of my systems it uses 95
> MB
> >> with a bunch
> >>> of Webmin libraries pre-loaded to speed up modules. On another machine
> >> without
> >>> preloading, only 10MB is used.
> >>>
> >>> By default, module preloading is only setup automatically if using
> Virtualmin
> >> pro.
> >>
> >> It kinda looks now like the modules that display lists are the most
> >> likely to cause this error. I have seen this behavior before, but I
> >> guess I didn't make the connection until now.
> >>
> >> Maybe it is not miniserv itself as much as teh perl programs? Virtual
> >> min is one, I have seen it when listing aliases and especially when
> >> listing email for a user account, or the results of a query on email.
> I
> >> also saw it just now when trying to compose an email by a brand new
> >> user. Maybe there is some peak usage there?
> >>
> >> Also I wonder if the new frames them causes extra hits on the server,
> >> causing it to spawn new children more often then it would have before?
> >> Is there some configuration I can do in that area, like I can with apache>
> >>
> >> As for the discrepancy between the system info display in webmin and
> top
> >> and free, the latter two seem to be in close alignment, a lot closer
> the
> >> webmin display is to either.
> >>
> >> BTW, I just noticed I had pop/pop3s and smtp active in zinetd, and I
> >> also had sendmail and dovecot running as services. I just turned off
> the
> >> xinetd ones, will see if that helps any.
> > 
> > I suspect that Webmin is using up too much memory when you do things
> > that cause large perl libraries to be loaded, in particular those in
> > the Virtualmin module (which has a huge -lib.pl file). It would be
> > useful to know the peak size of a miniserv.pl process before it exits
> ...
> > I imagine they are running out of memory and dieing.
> > 
> >  - Jamie
> 
> Is there a way for me to find out the peak size? There doesn't seem to
> be anything in the log file, at least for now...

I guess all you can do is keep running the top command, to see how high
memory usage gets..

 - Jamie