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> Facebook is kind of an interesting example, as they got pretty far into "hyperscale" with mostly PHP, memcached, and Mysql.

Isn't Facebook known for hiring top world experts such as the likes of Andrei Alexandrescu to hyperoptimize all the way down their whole stack?

That hardly sounds like running vanilla PHP with your generic nem ache and mysql.

And how do you exactly think they get so many 9s in their reliability? Is this plausible with the "a single linode box ought to do" nonsense?



He got there in 2009. Facebook did run for a long time with a fairly "vanilla" setup, yes.

A hacker got ahold of their "index.php" in 2007:

https://gist.github.com/nikcub/3833406

It is decidedly not a tour-de-force of technical prowess, just typical old school "bag of functions in the same namespace" PHP.




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