Threaded 6.4 code compiled under 9.0 uses a lot more memory?..

[Konstantin Belousov]

On Tue, Oct 30, 2012 at 10:48:03AM -0700, Alfred Perlstein wrote:
> Some suggestions here, jemalloc, kernel threads are good ones.
> 
> Another issue may just be some change for default thread stack size.  
> This would explain why the RESIDENT set is the same, but the VIRTUAL grew.
I suggest to take a look at where the actual memory goes.

Start with procstat -v.
> 
> -Alfred
> 
> On 10/30/12 9:56 AM, Karl Pielorz wrote:
> >
> >
> > --On 30 October 2012 19:43 +0700 Erich Dollansky 
> > <erichfreebsdlist at ovitrap.com> wrote:
> >
> >>> Depends how you mean 'the same' - on the 6.4 system it shows:
> >>>
> >>>    cc (GCC) 3.4.6 [FreeBSD] 20060305
> >>>
> >>> And, on the 9.0-S it shows:
> >>>
> >>>    cc (GCC) 4.2.1 20070831 patched [FreeBSD]
> >>>
> >>> So 'same' - but different versions.
> >>>
> >> did you check the default data sizes?
> >
> > How do you mean?
> >
> >>> Now they've been running for an hour or so - they've gotten a little
> >>> larger 552M/154M and 703M/75M.
> >>>
> >>> If it's not harmful I can live with it - it was just a bit of a
> >>> surprise.
> >>
> >> And a reason to spend more money on memory. Knowing the real reason
> >> would be better.
> >>
> >> I can understand your surprise.
> >
> > Hehe, more 'concern' than surprise I guess now...
> >
> > The sendmail milter has grown to a SIZE/RES of 1045M / 454M under 9.0. 
> > The original 6.4 machine under heaver load (more connections) shows a 
> > SIZE/RES of 85M/52M.
> >
> > The TCP listener code is now showing a SIZE/REZ of 815M/80M under 9.0 
> > with the original 6.4 box showing 44M/9.5M
> >
> > The 9.0 box says it has 185M active, 472M inactive, 693M wired, 543M 
> > buf, and 4554M free.
> >
> > At this stage I'm just a bit concerned that at least the milter code 
> > is going to grow, and grow - and die.
> >
> > I would think it would last over night so I'll see what the figures 
> > are in the morning.
> >
> > Thanks for the replies...
> >
> > -Karl
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