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From "Weseloh, Nicole" <>
Subject AW: JK2: lb_factor
Date Wed, 16 Jun 2004 11:48:21 GMT
Hello Ralph,

could you please explain what you mean by that? My Apache has got the following (default?)

Compiled in modules:

So - do I need to use the mpm_worker_module instead of mpm_winnt? (OS of the server is Win
XP Pro) 
If so - can you tell me how to do that? Just a configuration in httpd.conf? Or do I need to
recompile Apache? 
(yes, I know how to read docs - only need some advice where to look...)

Oh, and just to be sure - I'm using JK2, are you talking about that, or do you refer to JK
/ mod_jk?

Btw - does anybody know a way how to distribute requests in a tomcat cluster according to
current server load? (CPU-load, RAM-load or number of active sessions, for example ?)

Many questions, I know... hope someone can give me a hint...

-----Ursprüngliche Nachricht-----
Von: Ralph Einfeldt [] 
Gesendet: Mittwoch, 16. Juni 2004 12:01
An: Tomcat Users List
Betreff: RE: JK2: lb_factor

The quality of the distribution depends on the worker type of apache. (AFAIK only the 'worker'
MPM will work)

Nevertheless AFAIK the load balancing in mod_jk is not complete in this area, so I'm not shure
if you will get the desired distribution (but it should be closer).

> -----Original Message-----
> From: Weseloh, Nicole []
> Sent: Wednesday, June 16, 2004 11:48 AM
> To:
> Subject: JK2: lb_factor
> I've got a cluster with 2 tomcat 2.0.25 on different machines, on one 
> of them also running Apache 2.0.49 with JK2 as a loadbalancer. 
> Requests get redirected to both tomcat instances, but it always ends 
> up with around 1/3 of all requests at the local server and about 2/3 
> at the remote one, no matter what value the lb_factors are.
> So, could anyone tell me which values I should use to make the 
> lb_factor work correctly? All information I found was that "a lower 
> value means more requests" (official JK2-documentation at 

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