mod_jk eating up cpu

["Skondras P." <pa...@hq.acn.gr>]

Hi
i have downloaded the latest mod_jk and compile it for AIX 4.3
we have IBM apache 1.3.19.1 and tomcat 4.0.3 JDK is 1.3
we use the mod_jk for balancing between two tomcats but
sometimes the load of the machine goes up.
The httpd processes seems to generate this load and i think  mod_jk  is
the problem
we use ajp13 between apache and tomcat.
I searched through the lists but find nothing usefull.
Any ideas,remedies..
thanx in advance

Re: mod_jk eating up cpu

[Georg Huettenegger <ge...@ist.org>]

hi,

sadly enough i have no solution but instead the same problem. i am using
apache-2.0.35 (will also try 2.0.36) on solaris 2.6 with mod_jk 1.2.0 from
the tomcat-connectors 4.0.4-b2 package and tomcat 4.0.3 using jdk
1.3.0_05.

the problem happened with no apparent reason only once did it happen after
i accidently killed one of the two tomcat vms.

the only thing i have found up to now is a apache directive
MaxRequestsPerChild directive and it may help to set it to something like
10000. as i cannot yet reproduce the problem at will i have no idea
whether this will help (and what this will actually mean for my setup).

i would be very much interested if someone has more input or a solution (i
already did find the problem mentioned somewhere earlier, i think it was
the archive of this mailing list).

bye,
 georg

On Wed, 8 May 2002, Skondras P. wrote:

> Hi
> i have downloaded the latest mod_jk and compile it for AIX 4.3
> we have IBM apache 1.3.19.1 and tomcat 4.0.3 JDK is 1.3
> we use the mod_jk for balancing between two tomcats but
> sometimes the load of the machine goes up.
> The httpd processes seems to generate this load and i think  mod_jk  is
> the problem
> we use ajp13 between apache and tomcat.
> I searched through the lists but find nothing usefull.
> Any ideas,remedies..
> thanx in advance
> 
> 


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