On Mon, Jun 26, 2023 at 5:12 PM David Howells <dhowells@xxxxxxxxxx> wrote:
>
> Ilya Dryomov <idryomov@xxxxxxxxx> wrote:
>
> > > - int flags = MSG_DONTWAIT | MSG_NOSIGNAL | more;
>
> Btw, why are you setting MSG_DONTWAIT? If you're in the middle of
> transmitting a message on a TCP socket, surely you can't just switch to
> transmitting a different message on the same socket without doing some sort of
> reframing?
We don't want to hog kworker threads. You are correct that we can't
switch to transmitting a different message on the same socket but Ceph
is massively parallel and there can be dozens or even hundreds of other
sockets to work on.
Thanks,
Ilya
