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MyASPN >> Mail Archive >> httpd-users
httpd-users
Re: [users@httpd] MPM prefork
by Grant other posts by this author
Dec 14 2006 10:29AM messages near this date
Re: [users@httpd] MPM prefork | [users@httpd] loadbalancing with Apache - Sticky Sessions
>  > I use mod_perl and I can't use a threaded perl.  Does that mean I
>  > can't use a threaded apache2?
> 
>  I don't know, but I suspect your analysis is correct.
> 
>  mod_php also has issues with thread safety that makes MPM in anything
>  other than pre-fork problematic.  Actually, PHP core is probably
>  fairly safe, but the bulk of the fun stuff is in the extensions, and
>  some are thread-safe (they think) and some are not.  So you *might* be
>  able to run, but you'd have to do a LOT of testing under load and
>  real-life conditions, and you'd still not be very certain that there's
>  no thread-safe issue to bite you.
> 
>  Assuming mod_perl is more or less the "same" in terms of thread-safety
>  issues, if Perl isn't threaded, then you probably don't want to risk
>  it, unless you can do extensive testing.

I think I'd rather prefork and load up on memory.

- Grant

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