cannot login to imap under load

[Piper Andreas]

Hello,

> 
> It does indeed run from systemd, so this is what's currently in the
> dovecot unit file ( /etc/systemd/system/dovecot.service ):
> 
...
> [Service]
> Type=simple
> ExecStart=/usr/sbin/dovecot -F
> NonBlocking=yes
> TasksMax=10000
> LIMIT_NOFILE=10000

...

the parameter should be named

LimitNOFile=10000

(without the underscore), see
http://man7.org/linux/man-pages/man7/systemd.directives.7.html and
http://man7.org/linux/man-pages/man5/systemd.exec.5.html


--Andreas


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