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From "Vadim Gritsenko" <>
Subject RE: Cocoon scalability continued
Date Thu, 03 Jan 2002 22:50:37 GMT

One more suggestion which has not sounded here yet...

> From: Lewis, Andrew J []
> > From: 	Stefano Mazzocchi[]
> >


> > 9) fine-tune the cocoon settinigs for the store and the other stuff
> > (maybe others might give suggestions on the numbers here, I can't
> > tell since I didn't write those parts. In the future, hopefully, the
> > system will tune itself up)
> >
> This is the voodoo I don't have a solid feel for yet.

9.1) fine-tune pool sizes for components in cocoon.xconf and
If pools are too small for the load, it greatly reduces performance. 
The goal is to achieve such configuration that for every request there
is a 
free component in the pool. Suppose, you have up to 100 simultaneous
and your pipelines have up to 2 xslt transformers. Then, you need to
maximum pool size set to 200 xslt transformers. They will be created as
and retained in the pool for future use. Note, that if you use large
values for
min pool size, it increases Cocoon startup time.

Hope this helps.


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