Date: Fri, 12 Apr 2019 08:04:23 -0500 From: Jason Bacon <bacon4000@gmail.com> To: Hans Petter Selasky <hps@selasky.org>, "freebsd-infiniband@freebsd.org" <freebsd-infiniband@freebsd.org> Subject: Re: Kernel modules Message-ID: <2f4d9a14-4ff6-0d34-06f0-bbb4ac76c6bd@gmail.com> In-Reply-To: <bd42597e-2981-4667-468e-b008b9be290b@selasky.org> References: <0eba9ec9-692f-7677-2b10-4e67a232821c@gmail.com> <f3f94452-155f-79f4-72d8-bf65760ae5b0@selasky.org> <598a58f0-89b8-d00d-5ed7-74dd7005950f@gmail.com> <73ce0738-4d63-2f25-2ff6-00f0092de136@selasky.org> <2090dd24-db43-b689-4289-f50bd70090ea@gmail.com> <6673df26-8bba-ebd3-b2c5-d7e9c97db557@gmail.com> <d82f3a60-6ad4-dba8-a15b-355a536a9a83@gmail.com> <bd42597e-2981-4667-468e-b008b9be290b@selasky.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 2019-04-12 07:57, Hans Petter Selasky wrote: > On 4/12/19 2:39 PM, Jason Bacon wrote: >> root@zfs-01:~ # ifconfig ib0 >> ib0: flags=8002<BROADCAST,MULTICAST> metric 0 mtu 65520 >> options=80018<VLAN_MTU,VLAN_HWTAGGING,LINKSTATE> >> lladdr 80.0.2.8.fe.80.0.0.0.0.0.0.f4.52.14.3.0.92.88.d1 >> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > > Can you try setting an mtu of 4000 bytes on both sides and re-run the > test? This large mtu I think is not supported. > > --HPS I assume you saw my followup showing 16 Gb/s... I'll try playing with MTU anyway. Maybe that will improve performance a bit more? I'm going to do a bunch of tuning and test NFS. Will report results back here when I have some substantial info. Thanks, JB -- Earth is a beta site.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?2f4d9a14-4ff6-0d34-06f0-bbb4ac76c6bd>