[kw-pm] twiki speed issues.

[simon-kwpm at uc.org]

The bottleneck turned out to be the code itself. After going through the
functions that DProf highlighted as teh big loosers, I found (among other
things) that each page view was running bewteen 3,000, and 5,000 regexes
against the page to replace %macors% and such, rather than using
something like token parsing -- or better yet, a nice mature module like
HTML::Template, which is already highly optimized for these sorts of
operations.

Maybe Kwiki will perform better.

re,
Simon

On Wed, 23 Jun 2004, Andrew Kohlsmith wrote:

> On Wednesday 23 June 2004 15:45, simon-kwpm at uc.org wrote:
> > I have a vanilla twiki running on a Sun Enterprise 3000 w/4 250mhz cpu's,
> > and 1.5gb of ram, and files are stored on a netapp connected via
> > fibrechannel... so in *theory*, it's a fast machine...
>
> Wowza.
>
> > but twiki runs slow as a dog! I've enabled mod_perl, and that sped it up
> > by about 10 times, but it's still a real drag. Anyone have any
> > optimization tips?
>
> Identify your bottlenecks... running "vmstat 1 > vmstat.out" while everything
> is going on can help, use nc to see how much you can realistically push
> through your network cable...  see where the bottleneck is.  It's impossible
> to try and fix otherwise, especially with a system that is spec'd like what
> you have.
>
> Regards,
> Andrew
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