[erlang-questions] How to tune erlang memory allocator to use 25 GB of ram and stop munmaping it?

Max Lapshin <>
Wed Aug 14 16:41:26 CEST 2013


I'm running erlang R16B01 on Debian linux (kernel 3.2.0)


Here is my binary allocator info:
https://gist.github.com/maxlapshin/6231659

here is mseg_allocator:  https://gist.github.com/maxlapshin/6231710

I've restarted erlang with +MMmcs 30:

erts-5.10.2/bin/beam.smp -K true -A 160 -MMmcs 30 -stbt s -- ...

Looks like number of mmap/munmap has lowered.

Will try to understand this allocator information.
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