[Zope] zope performance issues

[Chris McDonough]

Hi Trevor,

You might want to take a look at the presentation entitled "Scaling
Zope" at http://www.plope.com/misc/szweb/img0.html .

I don't have much experience with other appserver platforms, but it's my
general understanding that Zope is indeed slower on a per-machine basis
than a lot of other systems.  It attempts to make up for that liability
by scaling across systems very well.

- C


On Mon, 2004-05-17 at 22:04, Trevor Warren wrote:
> Morning Guys/Gals,
> 
>  I write in regards some wierd performance issues that
> we have been facing at work. I will illustrate the
> same in brief.
> 
>  We are a large consultancy based out of India
> evaluating App Servers for deployment by customers
> world wide. I am neither a code guru nor a zope admin
> guru but am getting along well with the same and work
> for the Performance Engineering Group here.
> 
>  Towards benchmarking any app server we port our
> "TPC-W" certified web application to the enviornment.
> TPC-W is based in many flavours jsp/asp and now
> zope_dtml.
> 
>  Some very simple basic transactions
> short-circuited(Without Sql queries) on
> Weblogic/Websphere give me 5-10 times the throughput
> that i got with simple zope pages. To illustrate the
> figures...i got a 30TPS(Transactions per sec) compared
> to a 150+TPS with weblogic/websphere. All zope code i
> have writte via the ZMI  is very simple DTML code.
> Nothing fancy.
> 
>  Lemme tell you all that i have 5+ years on gnu/linux
> and worked with Red Hat. Just to let you know i am
> serious about the figured above and just dont want to
> show something in poor light.
> 
>  Do help me push zope to the limits and i will share
> the results of the benchmarks as obtained. Somethings
> i need to start with.....
> 
> >> Caching of Objects in Zope
> >> Dynamic Thread Management Features in Zope
> >> Shared pool connection management for SQL queries
> >> Tuning Documents
> >> Monitoring of current instance 
> >> Capability to pump test load across numerous Zope
> Servers(If none of the above work)
> 
>  Appreciate any feedback on the same fellas.
> 
> Trevor
> 
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