On 4/28/22 10:57 AM, Chuck Lever III wrote: >> On Apr 28, 2022, at 9:05 AM, Dennis Dalessandro <dennis.dalessandro@xxxxxxxxxxxxxxxxxxxx> wrote: >> >> Hi NFS folks, >> >> I've noticed a pretty nasty regression in our NFS capability between 5.17 and >> 5.18-rc1. I've tried to bisect but not having any luck. The problem I'm seeing >> is it takes 3 minutes to copy a file from NFS to the local disk. When it should >> take less than half a second, which it did up through 5.17. >> >> It doesn't seem to be network related, but can't rule that out completely. >> >> I tried to bisect but the problem can be intermittent. Some runs I'll see a >> problem in 3 out of 100 cycles, sometimes 0 out of 100. Sometimes I'll see it >> 100 out of 100. > > It's not clear from your problem report whether the problem appears > when it's the server running v5.18-rc or the client. That's because I don't know which it is. I'll do a quick test and find out. I was testing the same kernel across both nodes. -Denny