Maximum number of processes

Vance Shipley <>
Thu Dec 5 21:07:58 CET 2002


Looking at Kenneth Lundin's slides from his presentation on the R9 Release
at the recent EUC I came across the following statement:

	"The maximum number of Erlang processes within one Erlang node
	 is increased to 2^18 -1 = 262143, previously the limit was
	 32768.  To enable the higher limit the +P flag must be used
	 when Erlang is started."

I can't find any mention of this in the release notes for R9B-0.  I do see
that the +P flag is documented though:

	+P Number

	Sets the maximum number of concurrent processes for this system.
	By default this value is 32768. The Number must be in the range
	[16, 262144]. 

This is very good news indeed.  I do wonder why it wasn't mentioned though.

	-Vance






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