[erlang-questions] Disable erlang crash dump generation

Lukas Larsson <>
Wed Apr 26 09:42:03 CEST 2017


Hello,

You can set ERL_CRASH_DUMP_SECONDS to 0 and it will not generate a
erl_crash.dump. Also since Erlang/OTP 19.2 there is the
ERL_CRASH_DUMP_BYTES variable that can be used to limit the size of the
erl_crash.dump.

http://erlang.org/doc/man/erl.html#id199588

Lukas

On Wed, Apr 26, 2017 at 7:58 AM, Manoj <> wrote:

> Dear all,
>
> 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,
>
> Manoj
>
>
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> 
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>
>
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