Comment 1 for bug 1839403

Related :

https://yhbt.net/unicorn/SIGNALS.html (credits @jk0ne) : "USR1 - reopen all logs owned by the master and all workers See Unicorn::Util.reopen_logs for what is considered a log."

https://github.com/discourse/discourse/blob/master/config/logrotate.conf (not super helpful...)

Worst case, we could use the "copytruncate" logrotate stanza.