[Zope-dev] Performance enhancements, ZCatalog

Jason Spisak 444@hiretechs.com
Wed, 20 Dec 2000 14:26:45 GMT


Thanks Martijn.

I remembered that, and now it is much, much better. Also, I disbled
subtransactions, and increased the target size of the cache.  All ofthat
seems to be helping.  Again, thanks.

All my best,

Martijn Pieters writes:

> On Wed, Dec 20, 2000 at 12:56:36AM +0000, Jason Spisak wrote:
> > ZCatalog enthusiasts,
> > 
> > I just upgraded our zope installation from 2.1.6 to 2.2.4, and the ZCatalog
> > performance is aweful.  Can someone remind me what the command for speeding
> > up python on a dual processor machine is?  python -T?  I'm looking for any
> > way to speed this up.  I have a text index with 47,000 objects and a search
> > takes about 15-18 seconds, hardly what we were used to.  It used to be 2
> > second tops.
> 
> That's z2.py -i:
> 
>   -i n
> 
>     Set the interpreter check interval. This integer value
>     determines how often the interpreter checks for periodic things
>     such as thread switches and signal handlers. The Zope default
>     is 120, but you may want to experiment with other values that
>     may increase performance in your particular environment.
> 
> Increase or decrease the number n and play with ab or some other load
> testing tool....
> 
> -- 
> Martijn Pieters
> | Software Engineer  mailto:mj@digicool.com
> | Digital Creations  http://www.digicool.com/
> | Creators of Zope   http://www.zope.org/
> ---------------------------------------------


Jason Spisak
CIO
    __ ___       ______        __
   / // (_)_____/_  __/__ ____/ /  ___  _______  __ _
  / _  / / __/ -_) / / -_) __/ _ \(_-<_/ __/ _ \/  ' \
 /_//_/_/_/  \__/_/  \__/\__/_//_/___(_)__/\___/_/_/_/

6151 West Century Boulevard
Suite 900
Los Angeles, CA 90045
P. 310.665.3444
F. 310.665.3544

Under US Code Title 47, Sec.227(b)(1)(C), Sec.227(a)(2)(B) This email
address may not be added to any commercial mail list with out my
permission.  Violation of my privacy with advertising or SPAM will
result in a suit for a MINIMUM of $500 damages/incident, $1500 for
repeats.