Re: counting file descriptors with a cgroup controller

[Krzysztof Opasiak]

On 03/08/2017 03:59 AM, Parav Pandit wrote:
> Hi,
>
> On Tue, Mar 7, 2017 at 2:48 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> > Hello,
> >
> > On Tue, Mar 07, 2017 at 09:06:49PM +0100, Krzysztof Opasiak wrote:
> > > Personally, I don't want to use rlimit for this as it ends up returning
> > > error code from for example open() when we hit the limit. This may lead to
> > > some unpredictable crashes in  services (esp. those poor proprietary binary
> > > blobs). Instead of injecting errors to service we would like to just get
> > > notification that this service has more opened fds than it should and ask it
> > > to restart in a polite way.
>
> How does those poor proprietary binary blobs remain polite after restart?

They wont.

> Do you mean you want to keep restarting them when it reaches the limit?

We'd like to restart them each time when they reach limit declared by 
developer.

Best regards,
--
Krzysztof Opasiak
Samsung R&D Institute Poland
Samsung Electronics