[erlang-questions] Understanding the scalability of Erlang

Robert Virding <>
Wed Sep 25 18:28:04 CEST 2013


----- Original Message -----
> From: "Jachym Holecek" <>
> 
> # Jachym Holecek 2013-09-22:
> > The ability to spawn large number of very cheap processes and the fact
> > of eliminating resource sharing between them nearly completely are good
> > enablers for scalability (in addition to enabling other, parhaps more
> > important, things). That said however, nothing in the world will make
> > arbitrary application "scale" by magic. There is no excuse for proper
> > design and implementation towards the required operational characteristics
> > at application level.
> 
> Correction: I meant "no excuse for lack of" there.
> 
> BR,
> 	-- Jachym

For a very good description of at least part of the problem read about Amdahl's Law, http://en.wikipedia.org/wiki/Amdahl%27s_law . It shows very clearly why you need proper design and implementation to get scalability.

Robert



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