I just a couple of tweets that got my attention.

This one

Digg: 200MM page views, 500 servers. Stack Overflow: 60MM page views, 5 servers. What am I missing?

and then this one

(nb Stack Overflow is ASP.NET MVC + SQL Server, Digg was LAMP)

Is this true? how can that be? there has to be some kind of error in digg's architecture, right?


Stack Overflow does in fact run on ASP.NET MVC and SQL Server. I don't think there's anything wrong with Digg's LAMP implementation per se; they just did it differently.


I hoped it would run on Ruby since All The Cool Kids Use Ruby


You assume scaling is linear. It is not. Crap happens when it doesn't fit in memory anymore. Happened about 1 1/2 months ago, as near as I can tell, without any proof beyond the previously-remarkable-perf from the /reputation link and the lack of spinners.

And losing some of my favorite queries, got the lolcats several times on my customized tag rep queries. Sorry for that btw guys, I know SQL query timeouts suck.

Scaling is tough, I trust these guys to get it right. Even if it does suck mud once in a while. Great job, this has to be hard.

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