smbd: High CPU usage

[Timur I. Bakeyev]

On 18 July 2018 at 21:27, Jeremy Allison via samba-technical <
samba-technical at lists.samba.org> wrote:

> On Wed, Jul 18, 2018 at 09:21:43PM +0200, Ralph Böhme wrote:
> > On Wed, Jul 18, 2018 at 12:12:05PM -0700, Jeremy Allison via
> samba-technical wrote:
> > > Now all our socket calls are tevent based, I think we should probably
> > > change the SMB1 code to match the SMB2 code and make the primary socket
> > > non-blocking, then fix the sendfile internal implementation to change
> to
> > > make the socket temporarily blocking, and back to non-blocking after
> the
> > > sendfile completes.
> >
> > hm, I think we should avoid such hacks. Can't we just somehow go back to
> the
> > event loop if the fd returns EAGAIN or similar for a sendfile() ?
>

There is also a long hanging in the PRs queue WRONG(IMHO) patch that tries
to address sendfile() problem:

https://github.com/samba-team/samba/pull/76

Still, possibly, worth looking at.

With regards,
Timur Bakeyev.