mediaguru wrote:
The question:
Is there a limit to member numbers where the server, the software, Joom, CB, php, mysql, apache or whatever start to GAG? Does it simply depend on how powerful your server is?
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Hardware scales pertty well, you can introduce load balancing and make clusters of apache. Same for MySQL. So it scales as long as you can affore more servers and set up clusterign and load balancing.
The only question is if Joomla is coded to support clustering. (If this is not deliberately done, php session will be lost if the load balancer decides that it is time to change session)
What is the biggest mysql based site?
Google is running (a customized version) of mysql with estimated number of 450 000 servers.
mikko