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Re: mod_jk - more than 15 workers = hang

Mladen Turk

2007-01-31

Replies:

James Masson wrote:
>
> Hi,
>
> I'm working on creating a pair of Apache mod_jk load balancers for an
> Tomcat web-app farm.
>
> Redhat ES4
> Server Version:   Apache/2.0.52 (Red Hat)
> JK Version:   mod_jk/1.2.20
>
> apache-tomcat-5.5.20-1
>
> Everything works fine, until I exceed 15 load balancing workers on
> mod_jk, then I get a 500-Internal Server Error, for every web-app.
>
> Note that the 16th worker config works fine, if specified as part of the
> 15.
>

Add
JkShmSize 128
to the configuration.
It will allocate enough room (128 kB) for more then 15 workers.

Regards,
Mladen.

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