> On Jul 12, 2022, at 4:09 AM, Igor Mammedov <imammedo@xxxxxxxxxx> wrote: > > On Mon, 11 Jul 2022 17:18:38 +0000 > Chuck Lever III <chuck.lever@xxxxxxxxxx> wrote: > >>> On Jul 11, 2022, at 1:14 PM, Igor Mammedov <imammedo@xxxxxxxxxx> wrote: >>> >>> on tangent: >>> when copying file from Mac (used 'cp') there is a delay ~4sec/file >>> 'cp' does first triggers create then extra open and then setattr >>> which returns >>> SETATTR Status: NFS4ERR_DELAY >>> after which the client stalls for a few seconds before repeating setattr. >>> So question is what makes server unhappy to trigger this error >>> and if it could be fixed on server side. >>> >>> it seems to affect other methods of copying. So if one extracted >>> an archive with multiple files or copied multiple files, that >>> would be a pain. >>> >>> With vers=3 copying is 'instant' >>> with linux client and vers=4.0 copying is 'instant' as well but it >>> doesn't use the same call sequence. >>> >>> PS: >>> it is not regression (I think slowness was there for a long time) >> >> A network capture would help diagnose this further, but it >> sounds like it's delegation-related. > yep, there was delegation request/response right after SETATTR failure > possibly prompted by NFS4ERR_DELAY > > shall I provide a network capture (I guess pcap file) from test env > I have? Yes, you can send it directly to me. -- Chuck Lever