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[174.102.163.140]) by smtp.gmail.com with ESMTPSA id d7sm16183307oig.33.2019.04.12.06.04.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 12 Apr 2019 06:04:24 -0700 (PDT) Subject: Re: Kernel modules To: Hans Petter Selasky , "freebsd-infiniband@freebsd.org" References: <0eba9ec9-692f-7677-2b10-4e67a232821c@gmail.com> <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> From: Jason Bacon Message-ID: <2f4d9a14-4ff6-0d34-06f0-bbb4ac76c6bd@gmail.com> Date: Fri, 12 Apr 2019 08:04:23 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: BD34272BF3 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=sSUJuLZU; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of bacon4000@gmail.com designates 2607:f8b0:4864:20::32f as permitted sender) smtp.mailfrom=bacon4000@gmail.com X-Spamd-Result: default: False [-6.81 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.99)[-0.989,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-infiniband@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[f.2.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; RCVD_TLS_LAST(0.00)[]; IP_SCORE(-2.81)[ip: (-8.87), ipnet: 2607:f8b0::/32(-2.94), asn: 15169(-2.18), country: US(-0.06)] X-BeenThere: freebsd-infiniband@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Infiniband on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Apr 2019 13:04:28 -0000 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 metric 0 mtu 65520 >>      options=80018 >>      lladdr 80.0.2.8.fe.80.0.0.0.0.0.0.f4.52.14.3.0.92.88.d1 >>      nd6 options=29 > > 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.