On Mi, 15.04.20 09:33, Florian Weimer (fwei...@redhat.com) wrote:

> * Omair Majid:
>
> > (I was secretly hoping there was a way to bump rlim_cur past
> > the current value of rlim_max...)
>
> Current Fedora seems to set the hard limit to at least 4096 for all
> processes.  Isn't that enough?

See my earlier comments about this in this thread. systemd will
nowadays set the hard limit for RLIMIT_NOFILE to 512K for all
services, and that'll be inherited down to all sessions.

Hence, any program that during its startup phase bumps the
RLIMIT_NOFILE soft limit to the hard limit should have no issues with
numbers of fds anymore, it may allocate a whipping 512K of them just
like that. (But should still take care to reset the soft limit to 1024
again when forking off foreign code.)

Lennart

--
Lennart Poettering, Berlin
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