Graham Leggett wrote:

> > sticky sessions are tightly coupled with the load 
> balancer 
> > itself and the way it decides the client route.
> 
> In theory sticky sessions shouldn't be tightly coupled like 
> this - it should be a case of "plan a) stick to the same 
> server, else revert to plan b)".
> 

Yes, but why would you wish to separate those?
The stickiness is the part of load balancer, and merely flags the connection
to a particular remote so that the load balancer can skip the Remote
selection, cause it already selected the Remote in some previous
transaction.
Something different is the way the load balancer selects the Remote, and
that can be separated if the separation is needed at all, but I doubt that.

> 
> I suppose in this case the load balancer would run 
> HOOK_MIDDLE, and sticky would run HOOK_LAST.
>

I'm not that familiar with mod_proxy code, so please no hooks, not jet :)


MT.

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