[erlang-questions] Use systemd's watchdog functionality instead of heart?

Thomas Elsgaard thomas.elsgaard@REDACTED
Tue Feb 19 21:23:49 CET 2019

Mikael, You can also look at:



tir. 19. feb. 2019 kl. 21.15 skrev Mikael Pettersson <mikpelinux@REDACTED>:

> One of our devops people recently commented that heart made management
> of beam VMs in systemd-enabled systems more complicated.
> I investigated a bit, and found that systemd supports being a watchdog
> for a service, via sd_notify() calls with WATCHDOG=1 messages, and
> appropriate configuration in the unit file.
> Interestingly enough, there _is_ systemd support in OTP, but only in epmd.
> Is there a good reason _not_ to use systemd's watchdog functionality
> instead of heart, where available?
> /Mikael
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