Hitting wall at 2048 IMAP connections

[Florian Pritz]

On 03.02.2015 15:35, Ron Cleven wrote:
> /proc/sys/fs/inotify/max_user_instances = 4096

Maybe you are hitting some file descriptor limit (kernel or ulimit)?

This could help:
https://unix.stackexchange.com/questions/36841/why-is-number-of-open-files-limited-in-linux

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