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From Bernd Koecke ...@schlund.de>
Subject Re: PROPOSAL: mod_jk2: new lb values
Date Fri, 03 May 2002 08:42:40 GMT
costinm@covalent.net wrote:
> Based on the previous discussion:
> 
> - change lbfactor from float to int ( maybe rename it to avoid confusion)
> 

It would be less magic but you have to check if the value is 0.

> - The value will be from 1 to MAX ( 100 ? ).
> 
> - Smaller values will mean more work. The value '0' ( or a special 
> flag ? ) will mean the worker will be used allways ( as long as it is not 
> in_error state ). We can make sure the '0' is the first in the list, 
> and avoid looking for others.
> 
> -  A factor 2 will take 2 times fewer requests than factor 1, 3 will be 
> 1/3, etc. ( each worker uses a counter, and the counter is incremented on 
> each request with the factor value - that's how it works today to 
> implement the round roubin ).
> 
> -  When a worker reaches MAX, all workers will be reset to their
> original values and error state reset. ( that means we'll reset the
> error state based on number of requests, not time ) ( is this a good idea ?) 
> 
> - A value of MAX ( Or flag ? ) will mean the worker will take no 
> request, except those with a previous session id. That's the gracefull
> shutdown.
> 
> In addition, I'm in process of moving the lb properties to channel, 
> since that's what the user should configure in jk2. 
> 
> Costin

I think this is a mutch better aproach then the magic zero lb_value :). I could 
check it for jk1 and I hope I get time to look deeper in jk2 to test it there too.

Bernd
-- 
Dipl.-Inform. Bernd Koecke
UNIX-Entwicklung
Schlund+Partner AG
Fon: +49-721-91374-0
E-Mail: bk@schlund.de


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