PWS Resource Utilization

Laurence Rozier lrozier at thepattern.com
Tue May 25 20:07:21 UTC 1999


bparsia at email.unc.edu wrote:

> --On Tuesday, May 25, 1999, 11:25 AM -0700 "Laurence Rozier"
> <lrozier at thepattern.com> wrote:
>
> > When I start PWS, performance throughout the rest of my Squeak
> > environment takes a nose dive. Simple things like selecting a window
> > have a noticeable delay. I tried tweaking the secondsBetweenBackups := 1
> > * (60 * 60) and the Delay forMilliseconds: 100 behaviors in the
> > loopOnPort:loggingTo: method but to no avail. Any suggestions?
> >
>
> My guess is that your Squeak version is > 2.1. Something happened somewhere
> around 2.2/2.3
> that causes this problem.

I am running under 2.4.

> I've seen it on Macs and Windows. 2.1, OTOH runs
> fine.
>
> Worse, not everyone  seems to see it. I've spent some hours digging around
> and I've tenatively
> concluded that it's a VM problem.  Next step, I suppose, is to compare the c
> code for the
> network primatives between 2.1 and 2.4.
>
> I wouldn't mind this as much as it's not *just* the UI or other processes
> slowing down--the server slows
> waaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaay down. (No, the vowels were
> *not* superfluous! :))

I just tried PWS under 2.1 and can really see the difference!

>
>
> I have yet to test Comache (the next generation PWS) though I intend to this
> week.

Is Comache available for download? I'd be more than willing to help with
testing.
Thanks,

Laurence

> If it exhibits the problem,
> well, it'll be another data point!
>
> My current advice is that if you see this problem, drop back to 2.1. If
> anyone *is* running 2.2 or greater wthout
> this problem, please let me know!
>
> Cheers,
> Bijan.





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