On Mon, Oct 26, 2020 at 09:50:22AM +0100, Peter Krempa wrote: > On Tue, Oct 20, 2020 at 13:54:33 -0400, Masayoshi Mizuma wrote: > > From: Masayoshi Mizuma <m.mizuma@xxxxxxxxxxxxxx> > > > > virtiofsd has --thread-pool-size=NUM option to limit the > > thread pool size. It will be useful to tune the performance. > > Usually it's great to document or at least link to a document which > outlines how changing the parameter influences performance. In many > cases theres just one good option and that should become default. In > other cases it depends on deployment and in such case it's very good to > prevent users from having to guess what it actually does. > > In the end it serves as a justification that adding a tuning knob is > worth it. > > > Add pool element to use the option like as: > > > > <filesystem type='mount' accessmode='passthrough'> > > <driver type='virtiofs' queue='1024'/> > > <binary path='/usr/libexec/virtiofsd' xattr='on' pool='32'/> > > I'd prefer if the attribute is named 'threads' as that seems to me to be > more clear what it does without having to refer back to the > documentation. Got it, thanks. I'll change the parameter to 'threads'. Thanks! Masa
