On Sun, Feb 16, 2020 at 04:28:51PM +0800, Murphy Zhou wrote: > Hi Bruce, > > On Mon, Jan 27, 2020 at 05:36:31PM -0500, J. Bruce Fields wrote: > > On Thu, Jan 23, 2020 at 05:10:19PM -0800, Darrick J. Wong wrote: > > > On Thu, Jan 23, 2020 at 04:32:17PM +0800, Murphy Zhou wrote: > > > > Hi, > > > > > > > > Deleting the files left by generic/175 costs too much time when testing > > > > on NFSv4.2 exporting xfs with rmapbt=1. > > > > > > > > "./check -nfs generic/175 generic/176" should reproduce it. > > > > > > > > My test bed is a 16c8G vm. > > > > > > What kind of storage? > > > > > > > NFSv4.2 rmapbt=1 24h+ > > > > > > <URK> Wow. I wonder what about NFS makes us so slow now? Synchronous > > > transactions on the inactivation? (speculates wildly at the end of the > > > workday) > > > > > > I'll have a look in the morning. It might take me a while to remember > > > how to set up NFS42 :) > > > > It may just be the default on a recent enough distro. > > > > Though I'd be a little surprised if this behavior is specific to the > > protocol version. > > Can NFS client or server know the file has reflinked part ? Is there > any thing like a flag or a bit tracking this? Not that I'm aware of. --b.