[pLog-svn] resserver usage

[Jon Daley]

 	But, don't we do that sort of stuff on other requests?  ie. when I 
use custom URLs, I don't have the blogId, etc.  Maybe there needs to be 
some different/new indexes?

On Thu, 5 Oct 2006, Oscar Renalias wrote:

> I may try with fpassthru later on, but I am not sure whether it will
> make any difference. In the tests I run I noticed that in the context
> of 100 requests, usign fread() was only 1 second slower than using
> direct URL access so this probably means that the problem is
> elsewhere.
>
> Right now resserver.php needs to load a bunch of classes, validate
> parameters, execute the pipeline for security stuff, load the plugin
> manager and throw two events, load the blog id based on the name if
> we're using subdomains, parse nice album names, etc. As soon as I
> removed some of that sutff, we managed to save 15 seconds in 100
> requisitions and over 1 minute when using altresserver.php, which only
> implements the best case scenario: no subdomains and the blog id and
> the resource name are in the request (no need to load any extra
> classes and parse anything)
>
> What I am trying to say is that the bottleneck isn't the file-related
> function calls but all what we have to do before we even get there.
>
> On 10/5/06, Jon Daley <plogworld at jon.limedaley.com> wrote:
>>         You might want to include fpassthru in your tests - that is
>> supposed to be the "recommended" way of doing this sort of thing.  I
>> couldn't tell any difference when I changed the current resserver to use
>> it though.
>> 
>> 
>> On Thu, 5 Oct 2006, Oscar Renalias wrote:
>> > Some more benchmarks I was working on today, tested with curl loading the
>> > same URL 100 times (a 450kb JPEG file)
>> >
>> > testfopen.php
>> > -------------
>> > real    0m11.127s
>> > user    0m1.205s
>> > sys     0m1.893s
>> >
>> > direct url
>> > ----------
>> > real    0m10.170s
>> > user    0m1.171s
>> > sys     0m1.846s
>> >
>> > resserver.php 1.1.1
>> > -------------------
>> > real    1m39.753s
>> > user    0m1.209s
>> > sys     0m2.000s
>> >
>> > optimized resserver.php 1.1.1
>> > -----------------------------
>> > real    1m24.475s
>> > user    0m1.210s
>> > sys     0m2.007s
>> >
>> > altresserver.php
>> > ----------------
>> > real    0m36.123s
>> > user    0m1.230s
>> > sys     0m2.012s
>> >
>> > testfopen.php is a test to see how fast a raw fopen()+fread() is in PHP, 
>> and
>> > it's a useless version of resserver.php. "Direct url" downloads the URL 
>> via
>> > the web server, "resserver.php" is the default version of resserver.php
>> > included in 1.1.1, "optimized resserver.php" very similar to the code in
>> > 1.1.1 but removed a few things that could potentially be removed, and 
>> finally
>> > "altresserver.php" is a very small version of resserver.php that still 
>> loads
>> > a few classes (like GalleryResources and GalleryResource)
>> >
>> > Not much to comment on these figures, other than we're currently using 
>> the
>> > slowest method and that direct url would still be the preferred way.
>> >
>> > At this point I am not sure if it's a good idea to create complex rewrite
>> > rules or use obscure modules that no user will probably ever have 
>> available,
>> > and instead we should concentrate on doing it properly once and for all. 
>> Some
>> > of these workarounds could be used as temporary solutions while we fix 
>> what
>> > is fundamentally slow (or broken), and that is the way in which we handle 
>> and
>> > serve files.
>> >
>> > By the way I've attached the files I used for these tests, although if 
>> you
>> > want to run them you'll need to make a few changes (file paths, URLs, 
>> etc)
>> >
>> 
>> --
>> Jon Daley
>> http://jon.limedaley.com/
>> 
>> Teachers open the door, but you must enter by yourself.
>> -- Chinese Proverb
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-- 
Jon Daley
http://jon.limedaley.com/

Research is what I'm doing when I don't know what I'm doing.
-- von Braun