Date: Fri, 17 Mar 2017 22:55:31 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: John Jasen <jjasen@gmail.com> Cc: Navdeep Parhar <nparhar@gmail.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "Caraballo-vega, Jordan A." <jordancaraballo87@gmail.com> Subject: Re: bad throughput performance on multiple systems: Re: Fwd: Re: Disappointing packets-per-second performance results on a Dell,PE R530 Message-ID: <20170317195531.GP70430@zxy.spb.ru> In-Reply-To: <9924b2d5-4a72-579c-96c6-4dbdacc07c95@gmail.com> References: <6ad029e0-86c6-af3d-8fc3-694d4bcdc683@gmail.com> <b460cc49-364a-34fb-e212-582730546dee@gmail.com> <20170312231826.GV15630@zxy.spb.ru> <74654520-b8b6-6118-2e46-902a8ea107ac@gmail.com> <CAPFoGT9k4HfDCQ7wJPDFMTrJTtDyc9uK_ma9ubneDhVSsS-jcA@mail.gmail.com> <173fffac-7ae2-786a-66c0-e9cd7ab78f44@gmail.com> <CAPFoGT-BAMpj34wtB06dxMKk%2B87OEOs5-qu%2BRLVz=aPrhX6hDA@mail.gmail.com> <CAACLuR29xQhDWATRheBaOU2vtiYp61JgDKHaXum%2BU32MBDLBzw@mail.gmail.com> <20170317100814.GN70430@zxy.spb.ru> <9924b2d5-4a72-579c-96c6-4dbdacc07c95@gmail.com>
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On Fri, Mar 17, 2017 at 03:21:37PM -0400, John Jasen wrote: > On 03/17/2017 06:08 AM, Slawa Olhovchenkov wrote: > > > On Thu, Mar 16, 2017 at 03:50:42PM -0400, John Jasen wrote: > > > >> As a few points of note, partial resolution, and curiosity: > >> > >> Following down leads that 11-STABLE had tryforward improvements over > >> 11-RELENG, I upgraded. The same tests (24 client streams over UDP with > >> small packets), the system went from passing 1.7m pps to about 2.5m. > >> > >> Following indications from Navdeep Parhar that UDP queue hashing is not as > >> efficient as it could be, we started running the tests with various powers > >> of 2 streams (2,4,8,16,32) -- and were able to push the system up to 5m pps. > >> > >> We are currently seeing in the tests approximately 10-11m pps on the > >> outside interface, around 5-6m dropped, and 5 million passed. > > You want more? > > Yes. OK. How many? What the current utilisation per core? What exactly hardware and software used? I mean netmap don't give to you many performance gain.
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