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Re: Windows binaries 64bit for PHP [message #178063 is a reply to message #178046] Fri, 11 May 2012 19:11 Go to previous messageGo to previous message
Michael Fesser is currently offline  Michael Fesser
Messages: 215
Registered: September 2010
Karma:
Senior Member
.oO(Jerry Stuckle)

> On 5/11/2012 5:58 AM, Michael Fesser wrote:
>> .oO(Jerry Stuckle)
>>
>>> And a system which creates all the images once so it doesn't have to
>>> keep needlessly checking to see if an image exists or not is more
>>> efficient than one which constantly has to see if something exists or not.
>>>
>>> Resizing is done ONCE.
>>
>> Right.
>>
>>> Checking has to be done on EVERY REQUEST.
>>
>> Wrong.
>>
>> Micha
>>
>
> You really have no idea what you're talking about, do you? But you'll
> argue it anyway.

You still miss the point (or just don't want to accept it, as usual). If
there's a static image file, there is absolutely no additional checking
for existance necessary (besides the one that has to be done for every
resource the server wishes to deliver, but this doesn't matter here).

If the file is there, it will be delivered as-is, if not, it triggers a
404 (which could then create the requested resource on demand). That's
the same for every static HTML or CSS file, so your claim from above
"Checking has to be done on EVERY REQUEST" is simply wrong.

> After all - you think there's no overhead in 404 processing!

A little maybe, but I don't think it really matters. What much has the
server to do after it didn't find the requested resource? Deliver
another page or call a script. I can't think of much more, except maybe
a second log entry. The typical redirects from http://example.com/foo to
http://example.com/foo/, which are still seen on many sites, are much
more expensive.

Micha

--
http://mfesser.de/blickwinkel
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