M Stone wrote:
> hi Jack.. i disagree with a couple of your statements, but i'll
> try not to flog. that approach doesn't accomplish anything.
Thanks.
> > An acquaintence of mine, who is one of the key Apache
> > contributors, suggested that I look at PHP (which I used a few
> > years ago, but haven't been following it's development too
> > closely since then).
>
> PHP is a very flexible and powerful tool, which handles a lot of
> database interaction with relative ease. it hooks into Apache
> as a server module, so you don't have the cost of spawning and
> maintaining extra processes to contend with. it does have its
> performance overhead, but so does any dynamic system. not
> knowing exactly what you want to do, and not being a PHP guru, i
> can't offer anything specific. i can point you to PHP gurus if
> you need them, though.
It would be good for me to gather more info about that option now. I wasn't
aware that PHP had taken the step to work as a server module. Last time I
used it I don't think it worked that way (1996). If you have any good links
handy, send em my way, plz, otherwise I'll just see what the SE's bring me.
<snip>
> seriously, you've developed a great deal of familiarity with one
> tool, and the thought of losing it is unpleasant. the problem
> is that it's very easy to get wrapped up in comparing features,
> and to forget what makes those features valuable. the disease
> is especially insidious because 'familiarity' can also be
> considered a feature, and it's one no other product will have.
>
> the way to get around it is to look at the things that make the
> features valuable, instead of just using the name of the feature
> as a convenient shorthand for the value itself.
>
> specifically why do you need database caching and precompilation
> of templates? obviously, they're both related to performance
> speed, but what's their value in absolute terms?
How do I define the absolute terms? For the database caching, CF keeps
connections to the database open so many users can share the same
connection. I think they call it connection pooling, but I'm not sure. End
result, better performance and less overhead. As far as precompilation of
templates, I don't know what the absolute benefit is, other than the claimed
performance gain, which comes as a combination of not having to keep parsing
the same templates and not having to do as much file IO.
> would an
> Apache/PHP server that can deliver the same number of pages in
> the same amount of time at equal or lower processing load be
> adequate?
"Is that the case", is the question. Where do I get the answers?
> if you want clustered unix network designs which are highly
> robust and support arbitrary scaling capacity, i'll be happy to
> offer suggestions.. that's one of the things i do. i'm not
> precisely sure what you're looking for in terms of an
> application server, but i know how to use SSIs, HTTP proxying,
> and redundant DNS to farm processing out from a front-end
> machine to any of a number of back-end servers.. and all from a
> stock Apache installation.
Thanks. This is all very interesting to me. I'm not a sysadmin and don't
claim to be, but I'm looking at taking on some of those tasks due to a new
project I am working on. I'm working with a consultant who, as I mentioned,
is one of the main Apache contributors (and has been since it's inception).
He has a long background in putting together scalable systems, Solaris,
HPUX, Linux, BSD, NT and I'm learning a lot from him.
you said.....
> this post has gotten long enough that i won't go into the gory
> details (those of you who bet that i *don't* know how to shut up
> can pay up, and face the terrifying concept that this is
> *voluntary* behavior.. ;-), but i'll be happy to provide details
> if you want them.
Hey, if you don't have any nagging tendonitis, feel free....
Thanks,
Jack
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