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From Bernd Koecke>
Subject Re: cvs commit: jakarta-tomcat-connectors/jk/native2/common jk_worker_lb.c
Date Wed, 15 May 2002 09:09:07 GMT wrote:
> On Tue, 14 May 2002, Bernd Koecke wrote:
>>Hi Costin,
>>the new patch seems to work, but I'll test it more exactly tomorrow. Then I'll 
>>create the patches and the functional description.
>>In short, the patched lb_worker uses an additinal flag on the other workers (e.g 
>>worker.ajp13.local_worker=1) to determine if it should be moved to the beginning 
>>of the balanced_workers. So we don't need to deal with two lists in lb_worker 
>>and the lb_value '0' has no special meaning. The flag for sending requests only 
>>to local workers is 'local_worker_only' on the lb_worker. More when the patch is 
>>tested and ready.
> Ok. I already commited part of the changes for jk2 - but my version is 
> called 'hwBalanceErr', on worker_lb.
> If 0 normal selection of non-local workers takes place if all locals are 
> in error state. If non 0, we'll return the value as the error code - for 
> a front-end balancer to detect and stop forwarding requests for this 
> instance. 
> I think that's the behavior you need - and it also allows customization
> for the returned error code.

That sounds great, many thanks!

The patch for jk1 is on the way and I added some explanation how it works and 
about the two config flags.


> Costin
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Dipl.-Inform. Bernd Koecke
Schlund+Partner AG
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