[Tilesathome] Two new ROMA...

[Kai Krueger]

On 24/11/08 20:49, Florian Lohoff wrote:
> On Mon, Nov 24, 2008 at 09:43:31PM +0100, Mathieu Arnold wrote:
>    
>> +--On 24 novembre 2008 21:37:22 +0100 Florian Lohoff<flo at rfc822.org>  wrote:
>> | On Mon, Nov 24, 2008 at 12:20:13PM -0500, Matthias Julius wrote:
>> |>
>> |>  True, this could be another approach.  I guess the HAProxy queries
>> |>  another ROMA server if the first one returns an error.  But if one of
>> |>  the ROMA servers returns bogus data how do you find out which one it
>> |>  is?
>> |
>> | Probably instead of using a proxy just spit out redirects. For this to
>> | work we would need a way for the redirector to query the state of the
>> | ROMAs ...
>>
>> The proxy tries to get the bbox 0,0,0,0, to determine if the backend works
>> right.
>>      
>
> And then it redirects or requests and forwards the client bbox?
>    
Currently it does a request forwarding in order to keep track of 
connections to do a least number of connections load balancing.

One can still identify which server it came from in the xml. Each server 
uses a different generator tag in the <osm> directive. For example 
generator="ROMA mirror db - pgsql - api1.osm.absolight.net"
> Flo
>    
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