Re: inotify, new idea?

From: Michael Kerrisk
Date: Fri Apr 18 2014 - 00:16:15 EST


On Thu, Apr 17, 2014 at 11:28 PM, Lennart Sorensen
<lsorense@xxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Apr 17, 2014 at 11:00:37PM +0200, Jos Huisken wrote:
>> I was trying to maintain a local and remote directory in sync with
>> lsync, using inotify.
>> I happen to have >4M files and >400k directories... running over
>> /proc/sys/fs/inotify/max_user_watches
>
> Would fanotify perhaps be a better interface to use?

(One of us is misunderstanding fanotify; it might be me.)

Did you look at fanotify closely? I don't think it could be used for
this task -- does not notify linka dn unlink events, difficult to set
up recursive monitoring, etc.

Cheers,

Michael
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