[Seaside] MinimalMorphic based web images

Philippe Marschall philippe.marschall at gmail.com
Wed Oct 17 05:02:37 UTC 2007

2007/10/15, Jimmie Houchin <j.squeak at cyberhaus.us>:
> Philippe Marschall wrote:
> > 2007/10/15, Jimmie Houchin <j.squeak at cyberhaus.us>:
> [snip
> >> One thing that I've noticed in these images is that they use the CPU
> >> every second or two for something. As I watch the system monitor I can
> >> see the CPU use jump very slightly, very regularly. I don't remember if
> >> there is a way to stop this or not. Any help with this is greatly
> >> appreciated.
> >
> > IIRC what Seaside Hosting does is suspend them at the operating system
> > process level using daemontools [1] to make sure they're idle and the
> > operating system can swap them out.
> >
> > [1] http://cr.yp.to/daemontools.html
> Hello Philippe,
> Thanks for the reply. Unfortunately, I wasn't very clear, my apologies.
> The image seems to be doing some kind of polling which is using CPU even
> when the image should seem to be using none as it is doing nothing.

Could be anything. At lest the gc will have to do same work from time
to time. But it is also very likely the UI is not completely idle as
well. That's my Seaside Hosting suspends the whole process to make
everything is really idle and nothing happens.


> I haven't researched the squeak-dev archives yet. But I thought
> something had been done to change the polling behavior in Squeak. I'll
> have to see if I can research that.
> Thanks.
> Jimmie
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