[erlang-questions] Highest number of processes in your system

Rick Pettit <>
Mon Jan 8 16:38:04 CET 2007

On Mon, Jan 08, 2007 at 10:43:30AM +0000, Joel Reymont wrote:
> Folks,
> What is the highest number of processes that you have seen in your  
> system?
> Anyone with over a million processes?

A google search for "erlang million processes" turns up many links, one of
which being:


"It should also be noted that Erlang processes are neither OS processes nor OS
 threads, they are lightweight threads somewhat similar to Java's
 'green threads'. As a result, Erlang processes are extremely lightweight (the
 estimated minimal overhead of an Erlang process is 300 bytes) and a very large
 number of them can be created without performance degradation (a benchmark
 with 20 million processes was tried[1])."

And the link for the benchmarking:



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