Re: mysql 100% cpu utliization

[Erek Adams <erek () theadamsfamily net>]

On Thu, 18 Apr 2002, Redman, Ken wrote:

> Build:
> Redhat 7.2 all patches and updates up to last week (default kernel 2.4.7-10)
> Mysql 3.23.49a
> Acid 0.9.4.1
> Php 4.1.2
> Snort 1.8.6
>
> I have acid/mysql working ok, however after a couple of hours the box
> totally locks up. There is nothing in the logs. I heard something mentioned
> on the board a while ago about this issue being a memory leak causing the
> usage to go to 100%. Again, not sure if this is the exact same problem. Does
> anyone have a work-around/fix for this?

Check your rules for any that are using regex.  The regex code is a bit rough,
and it has been known to cause this type of issue.  You might also try to
split the logging out to another box.

Cheers!

-----
Erek Adams
Nifty-Type-Guy
TheAdamsFamily.Net


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