On Tue, Dec 5, 2023 at 9:25 AM Zé Loff <zel...@zeloff.org> wrote: > > On Tue, Dec 05, 2023 at 02:06:44PM +0000, Steven Surdock wrote: > > Using an OBSD 7.4 VM on VMware as an NFS server on HOST02. It is > primarily used to store VMWare VM backups from HOST01, so VMWare is the NFS > client. I'm seeing transfers of about 1.2 MB/s. > > > > SCP from HOST01 to OBSD VM (same filesystem) copies at 110 MB/s. > > Iperf3 from a VM on HOST01 to OBSD on HOST02 gives me 900+ mbps. > > OBSD is a stock install running -stable. > > NFS is using v3 (according to VMWare) and using TCP > > During the NFS transfer the RECV-Q on the OBSD interface runs either > 64000+ or 0. > > I tried both em and vmx interface types. > > > > /etc/rc.conf.local: > > mountd_flags="" # for normal use: "" > > nfsd_flags="-tun 4" # Crank the 4 for a busy NFS fileserver > > ntpd_flags="" # enabled during install > > portmap_flags="" # for normal use: "" > > > > Any clues on where to look to (greatly) improve NFS performance would be > appreciated. > > Increasing write size, read size and the read-ahead count on the client > has helped me. > > E.g., on the client's fstab: > > 10.17.18.10:/shared/stuff /nfs/stuff nfs > rw,nodev,nosuid,intr,tcp,bg,noatime,-a=4,-r=32768,-w=32768 0 0 > > With this i got around 2.5x improvement (9-10MBps to 25-30MBps)
> Cheers > Zé > > > > > -Steve S. > > > > -- > > >
