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From Jim Jagielski <>
Subject Re: ping for http in mod_proxy
Date Fri, 15 Feb 2008 13:05:01 GMT

On Feb 14, 2008, at 6:41 PM, Graham Leggett wrote:

> Akins, Brian wrote:
>> Yeah that was my thought.  I guess you pass around the array of  
>> servers.
>> Just remove (or mark as N/A) from the list and/or reorder it.  At  
>> the end,
>> core proxy picks whatever is in index 0 (possibly walking the list  
>> in case
>> of connection error or something).
> Essentially that is what proxy does now (or did before the balancer  
> stuff arrived) - it loops through everything that came back from the  
> DNS round robin query, trying to connect in turn until it gets  
> something other than bad gateway.
> Rather than just the simplistic round robin DNS query, it should  
> query a hook (in which is embedded as the sensible default, a  
> simplistic round robin DNS query).

Well, right now all it does is say "give me the best worker" and
leaves it up to the selected provider on "what that means", so it
queries a provider, not a hook. Of course, we could create an actual
hook which then queries providers, to allow people to extend
the selection even more...

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