[CentOS] unfsd scalability issues
Boris Epstein
borepstein at gmail.com
Sat Jun 2 14:59:13 UTC 2012
On Fri, Jun 1, 2012 at 6:46 PM, John R. Dennison <jrd at gerdesas.com> wrote:
> On Fri, Jun 01, 2012 at 03:36:09PM -0700, John R Pierce wrote:
> >
> > maybe in 2003, when Linux NFS was sketchy, this made sense.
>
> Unlikely back then, either. It's a userland implementation, subject to
> all the same scheduling issues as any other userland app; filesystems
> should not be implemented in userland for efficiency reasons.
>
>
>
>
>
> John
>
John,
A process implemented in the userland may not be as efficient as one
implemented as part of the kernel - but that doesn't mean it can't scale
well, does it?
Boris.
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