[Pdns-users] CPU usage on FreeBSD systems

[bert hubert]

A lot of people are suddenly having issues. Investigating. Thanks.

On Sat, Jan 10, 2004 at 04:26:54PM +0100, Starhost.nl - Hoofd wrote:
> 
> Since today PDNS doesn't seem to run as smooth as it did before on at
> least 3 FreeBSD ( boxes I know pdns keeps calling MySQL. This causes a
> CPU usage of 45.5% for powerdns and a cpu usage of 55.4% for MySQL.
> Before is was more like:
> 2.3% and 10.3%.
> 
> When I log into MySQL and ask the status without PDNS running I get:
> Total   ? per hour   ? per minute   ? per second
>   1,917   94,536.99   1,575.62   26.26
> 
> Now when I start PDNS the statistics change to:
> Total   ? per hour   ? per minute   ? per second
>   68,281   1,781,243.48   29,687.39   494.79
> 
> This means PDNS is asking more then 400 SQL (SELECT) query's a minute!!!! This
> can't be the way PDNS is designed I suppose. The PDNS versions we are
> running are:
> 
> PDNS     MYSQL           OS                               Problems?
> 2.9.12   3.23.58-log     FreeBSD 4.8-release (patched)    Yes
> 2.9.12   3.23.58-log     FreeBSD 4.9-release (patched)    Yes
> 2.9.11   4.0.14          FreeBSD 4.8-release (patched)    Yes
> 2.9.12   4.0.17          Gentoo kernel version 2.4.23     No
> 
> Is anyone else having the same issues?
> 
> Sincerly,
> 
> 
> N.P.G. Elsten
> Starhost
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