[erlang-questions] Disable erlang crash dump generation

Richard Carlsson carlsson.richard@REDACTED
Tue May 16 14:06:27 CEST 2017

See the documentation of the ERL_CRASH_DUMP_SECONDS variable (at the bottom
of the page http://erlang.org/doc/man/erl.html):

"Unix systems: This variable gives the number of seconds that the emulator
is allowed to spend writing a crash dump. When the given number of seconds
have elapsed, the emulator is terminated by a SIGALRM signal. If the
variable is not set or set to 0 seconds (ERL_CRASH_DUMP_SECONDS=0), the
runtime system does not even attempt to write the crash dump file. It only


2017-05-15 13:51 GMT+02:00 Arun <arunp@REDACTED>:

> Hi,
> I'm running erlang in an embedded environment, and there 's a requirement
> to maintain 15MB free memory
> at any point of time. To ensure the same I need to disable the generation
> of erlang crash dump file(erl_crash.dump)
> file since it may grow in size. How can this be done??
> I've tried the following options:
> i. "+d" option when beginning to run the erlang node
> ii. Set the value of the environment variable ERL_CRASH_DUMP to
> "/dev/null"(tried this both when running the erlang application, and
> also setting the environment variable explicitly after running the
> application)
> *PS: I'm running the my application on Erlang/OTP 19 [erts-8.0]*
> Regards,
> Arun P
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