Comments on: How to hunt for Wordpress performance hogs

By: FreewareMatter

FreewareMatter — Fri, 05 Jun 2009 20:13:40 +0000

I have the same problems with WP. I've turned off Bad Behavior, but the CPU load is still high. So sad, I don't know what I have to do now.

By: Db0

Db0 — Tue, 29 Apr 2008 20:19:38 +0000

I tried in vain this afternoon to achieve this but it does not seem to work
The print_r($wpdb->queries); part will just return blank.
I do not know if I did the wp-config.php edit wrong but I simply copy-pasted your DEFINE command in it. I tried to remove the quotes you used (which seem weirdly formatted) and replace them with normal quotes but that just resulted in an internal server error :-/

By: Jamie

Jamie — Thu, 24 Apr 2008 04:57:50 +0000

You can find out the actual queries getting called, plus the caller and execution time. In your wp-config.php file put:

define(‘SAVEQUERIES’,true);

Then in your template footer place:


global $wpdb;

print_r($wpdb->queries);

If you want to keep it so the whole world doesn’t see it then you can wrap that code in a if block like:

if(current_user_can(“level_10″)){
…the code…
}

That way only people logged in as full administrator will see the output. I use a similar method on a couple of large scale WP sites I run so that I can just add ?diag=1 after the URL and get a diagnostic output.

By: Db0

Db0 — Wed, 23 Apr 2008 22:25:03 +0000

Unfortunately that was not the case. I do not know what kind of misconfiguration I might have done as I haven’t changed anything. Maybe it just doesn’t play nice with my theme. I’s a pity though because I liked it in general.

In any case, my current blocker seems to be managing quite well for now so unless I start to get spammed again, I’ll keep it off.

By: Michael Hampton

Michael Hampton — Wed, 23 Apr 2008 20:18:27 +0000

You should have contacted the author of Bad Behavior. Obviously something is wrong in your setup, because Bad Behavior’s run time is measured in milliseconds, not seconds. Probably you needed to turn off verbose logging.