[OSM-dev] Tirex - a renderd alternative

Frederik Ramm frederik at remote.org
Tue Mar 9 20:28:58 GMT 2010


Hi,

Stefan de Konink wrote:
>> I agree that distributed rendering is something that must be supported.
>> There are several ways to do it; either run a classic load balancer
>> setup with some intelligence so that it requests odd tiles from one
>> server and even tiles from another etc., or build a mesh of queue
>> managers that are aware of each other, or have one master queue manager
>> (a.k.a. single point of failure) distributing requests across a range of
>> render servers.
> 
> I currently have a webserver that does this for me.

A web server is sufficient for simple applications but if you want to 
pre-render a million tiles without impeding on live viewing performance 
then a more controlled approach is probably required.

> If I would go into this direction I would go by multicast such as mDNS, 
> and make render clients bid for rendering the requests. More flexible 
> approach. And gives guarantees someone picks it up.

Sounds interesting. I don't understand enough about that but if anyone 
wants to try...

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"




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