[pLog-svn] resserver usage

[Oscar Renalias]

Yes we do it in exactly the same way, but at least in those cases I
don't see a clear way to improve it. At least with resources we're
considering direct access which would help alleviate the situation.

On 10/5/06, Jon Daley <plogworld at jon.limedaley.com> wrote:
>         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
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