[ic] PreFork causes errors

[Bill Carr]

On Wed, 2002-03-06 at 19:36, Kevin Walsh wrote:
> > I am not receiving Internal Server errors any longer, regardless of the
> > suggestion above. About 9 out of 10 times I get a partial page. The
> > other time I get what I expect. 
> > 
> > Here are some more details. 
> > 
> > I have a UserTag like this: 
> > UserTag layout HasEndTag 1 
> > UserTag layout Routine <<EOR 
> > sub { 
> >         my $input = shift; 
> >         return <<"EOL"; 
> > $Variable->{TOP} 
> > $Variable->{HEADER} 
> > $input 
> > $Variable->{FOOTER} 
> > $Variable->{BOT} 
> > EOL 
> > } 
> > EOR 
> > 
> > A typical page looks like this: 
> > index.html: 
> > [layout] 
> > [query ....][/query] 
> > And other HTML and IC stuff 
> > [/layout] 
> > 
> > When I request index.html 9 out of 10 times I get TOP, HEADER, FOOTER
> > and BOT but not the body of the page. 
> > 
> > This behavior goes away when I don't set PreFork on the production
> > machines. I never have this problem on my Devo machine. 
> > 
> I don't know the reason for the problem you are reporting, but
> the tag you have posted seems excessively wasteful and unnecessary
> to me.  You are passing a lot of information around by using your
> [layout] tag.
> 
> As an alternative approach to the above, perhaps you could declare
> two more variables, as follows:
> 
>     LAYOUT_START just includes __TOP__ and __HEADER__
>     LAYOUT_END just includes __FOOTER__ and __BOT__
> 
> ...then re-arrange your pages as follows:
> 
>     __LAYOUT_START__
>     [query ...][/query]
>     And other HTML and IC stuff
>     __LAYOUT_END__
> 
> If nothing else, your pages will be quicker to parse.
I tried you suggestion and the page came up slightly slower. I tested
with 'ab -n 100 -c 5' on the devo machine.

-- 
Bill Carr
Worldwide Impact
bill@worldwideimpact.com
413-253-6700