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Posted to dev@httpd.apache.org by Vinicius Petrucci <vp...@gmail.com> on 2008/03/27 18:20:21 UTC

updating workers' lbfactor

-- sorry in the case of duplicate messages --


Hi,

 I notice that in mod_proxy_balancer the workers' lbfactors is
 dynamically updated without any critical section lock between the
 call. That is, simply:

 wsel->s->lbfactor = ival;

 Quick question: If I am planning to change the lbfactors in my own
 apache module, is there any critical issue? I think the
 balancer-manager could cause some problems. Should I put locks in
 those sections (when updating the lbfactors)?


 Thanks.



-- 
Vinicius

Re: updating workers' lbfactor

Posted by Ruediger Pluem <rp...@apache.org>.


On 03/27/2008 06:20 PM, Vinicius Petrucci wrote:
> -- sorry in the case of duplicate messages --
> 
> 
> Hi,
> 
>  I notice that in mod_proxy_balancer the workers' lbfactors is
>  dynamically updated without any critical section lock between the
>  call. That is, simply:
> 
>  wsel->s->lbfactor = ival;

IMHO this should be an atomic operation. So no need for locks.

Regards

Rüdiger