[Zope] Performance and Server Requirements

[Chris Gray]

OK, so a site that's only in the tens of thousands of hits per day range
should be no sweat.  What about the Linux server to put under it?  Am I
wrong to think that a single processor and 256meg should do the trick?

Chris


On Thu, 19 Apr 2001, Chris McDonough wrote:

> Rough rule of thumb is that raw Zope can handle from between 40 - 80 hits
> per second on a single simple page (depending on hardware).  This is about
> as fast as it's going to go.
> 
> Complicated DTML or Python can slow this down dramatically.  You'll need to
> do profiling on your application to understand where your boundaries are.
> Some applications give an effective per-second hit rate of 20 hps, where
> others creak along at 1hps.  We've had luck using an open source load
> testing package named OpenSTA to do profiling.  Zope also ships with its own
> interface to the Python code profiler, which can let you determine where in
> your application you're spending most of the time.
> 
> Using ZEO, you can scale the number of read requests per second almost
> linearly.  So for example, if you have an application which has performance
> characteristics of 20 readsonly-hits-per-second on a single non-ZEOd Zope,
> you can usually estimate that you can serve ~ 40 readonly-hits-per-second on
> a two-client ZEO cluster.  Give it three and you can do 60, etc.
> 
> Things get a little murkier if there's lots of writes going on.  Again, in
> this situation, its best to do profiling.
> 
> 
> ----- Original Message -----
> From: "Chris Gray" <cpgray@library.uwaterloo.ca>
> To: <zope@zope.org>
> Sent: Thursday, April 19, 2001 11:35 AM
> Subject: [Zope] Performance and Server Requirements
> 
> 
> >
> > I'm looking for information on Zope performance and server hardware needs.
> > I need info on what size of site and volume of traffic can be handled by
> > Zope and at what point it is recommended to go up to ZEO.  I'd also like
> > good recommendations on specs for a Linux server to host a Zope Web site.
> >
> > Thanks,
> > Chris
> >
> >
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