[Dovecot] Inotify instance limit for user exceeded

[mailing at securitylabs.it]

On 18/01/2010 14:49, Lampa wrote:
> Hello,
>
> i saw in my log followed messages:
>
> dovecot: 2010-01-18 13:20:54 Warning: IMAP(user1 at domain1.com): Inotify
> instance limit for user exceeded, disabling.
> dovecot: 2010-01-18 13:21:01 Warning: IMAP(user2 at domain2.com): Inotify
> instance limit for user exceeded, disabling.
> dovecot: 2010-01-18 13:21:23 Warning: IMAP(user2 at domain2.com: Inotify
> instance limit for user exceeded, disabling.
>    

Hello, I've solved a similar trouble with:

fs.inotify.max_user_instances = 256

in /etc/sysctl.conf

The default is 128.