[erlang-questions] [18.3] Random node crash after many days running

Valentin Nechayev <>
Wed Dec 14 15:57:06 CET 2016


Hi,
I have a few systems running a small web app under Cowboy. The webs
are used everyday but nodes are not used to restarting for long times.
After ~36 days of running, the nodes started crashing with messages like

1> erl_child_setup: Select failed: -1 (10)

The value of 36 days is suspiciously similar to 3/4 * 2**32 milliseconds.

Is it possible that some time counter overflows with whole node crash?

Environment: Erlang 18.3 locally built with `kerl' on Centos
7.2/x86_64.


-netch-


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