Memory leak in NFSv4?

[Fredrik Tolf]

On Mon, 2006-12-04 at 11:08 -0500, J. Bruce Fields wrote:
> On Mon, Dec 04, 2006 at 04:30:53PM +0100, Fredrik Tolf wrote:
> > I haven't tried unmounting it from all clients with the 2.6.18 kernel,
> > and doing that would be quite troublesome. However, I did try it once
> > with the 2.6.16 kernel, and it did not bring the refcount down (at that
> > time, it was up to over 500).
> 
> Yeah, it may be that the server's context cache just isn't designed
> right--I don't think it ever evicts a context until it expires, which
> could take a long time.

Are you sure that is all? If that was it, I would be expecting the
refcount to stabilize at a number where contexts expire at the same rate
as new contexts are created, but as far as I can tell, the refcount is
just increasing monotonically. It is currently up to 623.

Fredrik Tolf