On Tuesday 15 May 2007 15:20, Chris Withers wrote: > Gaute Amundsen wrote: > > On Thursday 10 May 2007 17:57, Paul Winkler wrote: > >> On Thu, May 10, 2007 at 02:10:40AM +0200, Gaute Amundsen wrote: > >>> On Wednesday 09 May 2007 16:41, Paul Winkler wrote: > >>>> On Wed, May 09, 2007 at 12:07:54PM +0200, Gaute Amundsen wrote: > >>> > >>> So there is no other possible limit in a zope instance than IO or CPU? > >> > >> Well, there's RAM of course. If you run out and start swapping a lot, > >> that's a big problem :) > > > > About 12G in that box, so that's unlikely. > > How big's your Data.fs? If it's bigger than 12GB, then careless code can > easilly chew through all your ram... > As it happens its' very close to 12 G!
> >> Very helpful if the trouble is ZODB I/O. Have a look at the activity > >> graph and see if you're getting lots of loads... might mean your ZODB > >> cache is too small and is getting thrashed. > > > > I set cache-size to 10000 last night, up from the default. > > If you're using a ZCatalog, you might consider splitting it into it's > own zodb in order to improve the performance of this cache... > Using it in small bits all over the place. That would make it rather hard to mount separately, would it not? > > Big CMS system with about 70 virtual domains. > Make that ~180 hosts in apache and ~85 in zope. > How often does the content change? > Not often at all. I've got a munin plugin for it now, and that indicates the average is less than 2500 stores over 5 min. Rather hard to see actually, against the reads which fluctuates between 30 K and 100 K. (will plublish that plugin, once I add some comments and such.) > cheers, > > Chris _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )