[vox-tech] PHP/MySQL very slow

Mitch Patenaude mrp at sonic.net
Wed Dec 15 13:26:18 PST 2004


I can think of a couple of places where the computer's IP address is 
used in the PHP<->MySQL linkage.

First, in the mysql_connect("<host>","<user>","<pass>") call... but 
that would tend to make it fail altogether rather than just become 
slow... and if the DB and webserver are on the same box, then the host 
is probably "localhost", but it's something to check.

Second.. in the MySQL permissions.  If, for some reason the permissions 
are configured in terms of "user@<IP>", then the change in IP would 
cause them to no longer be found.. and it would fall back on default 
permissions.  Again.. I would expect changes in behavior rather than 
just slowness.

   -- Mitch

On Dec 15, 2004, at 1:16 PM, Richard S. Crawford wrote:

> The site I'm working on, on a RH9 box, is presenting me with a strange
> problem.  It's running Apache 1.x, PHP 4.2, and MySQL 3.23.  When I hit
> plain old PHP pages, the site runs just fine and response time is nice 
> and
> quick.  However, when I go to a page where PHP connects to MySQL, the
> response is incredibly slow.  Apache responds fine, PHP responds fine, 
> and
> MySQL responds fine from the command line.  And everything was working
> fine until yesterday.
>
> What happened yesterday?  We changed this computer's IP address.  I've
> adjusted httpd.conf appropriately, but I can't think of where else I 
> might
> have to make configuration changes in order to make this work.
>
> Any advice would be greatly appreciated.
>
>
>
> -- 
> Sláinte,
> Richard S. Crawford (AIM: Buffalo2K)
> http://www.mossroot.com   http://www.stonegoose.com/catseyeview
> "We live as though the world were how it should be,
> to show it what it can be."
> --"Angel", Season 4 ep. 1
>
>
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