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From Quinton Delpeche <quint...@vippayroll.co.za>
Subject Re: suse 9.1, tomcat5.0.27, mod_jk2, apache 2.0.13 problems
Date Tue, 30 Nov 2004 04:48:11 GMT
On Tuesday 30 November 2004 06:29, dawg fan wrote:
> Hello,

Hi,

> We just reloaded many of our front-end servers to suse 9.1 from suse 8.2. 
> This release of suse of course has the new 2.6 kernel with a few other
> changes.  That is the only change as we used the same tomcat 5.0.27,
> mod_jk2, and apache 2.0.13 configurations from the previous 8.2 server. 
> These servers easily do over 100,000 http requests per server per hour. 
> Under the new 9.1, we get many more mod_jk2 errors and the frequently
> occurring hanging apache child processes.  This causes high cpu usage and
> causes the server to get slow and stop serving.

Interesting, I moved from 8.2 to 9.2 and after re-creating all the config 
files my performance actually increased.

Did you upgrade the servers or do a fresh install of SuSE 9.1?

Sometimes upgrades actually slow the machine down. I always do complete 
re-installs. :)

> To attempt a fix, apache was recompiled in 9.1.  Problems still occur.
>
> Has anyone else noticed this performance issue?  Is a recompilation of
> mod_jk2 and/or tomcat needed for them to function correctly in the new suse
> 9.1?
>
> Thoughts?
>
> -Joe
Q
-- 
Quinton Delpeche
Internal Systems Developer
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Telephone: +27 12 420 7000
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http://www.vippayroll.co.za/

Hofstadter's Law:
	It always takes longer than you expect, even when you take
Hofstadter's Law into account.

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