Date: Sat, 6 Apr 2019 20:58:39 +0800 From: Kris von Mach <mach@swishmail.com> To: freebsd-stable@freebsd.org Subject: Re: em performs worse than igb (latency wise) in 12? Message-ID: <f4474976-37af-13cc-d8f6-771eef2c889e@swishmail.com> In-Reply-To: <7673edad-1e50-7e9b-961e-f28ab7a0f41e@ingresso.co.uk> References: <b910baa6-6428-67fa-5df4-49b777e770d1@swishmail.com> <7673edad-1e50-7e9b-961e-f28ab7a0f41e@ingresso.co.uk>
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On 4/6/2019 2:56 AM, Pete French wrote: > Something odd going on there there - I am using 12-STABLE and I have > igb just fine, and it attaches to the same hardware that 11 did: I ran apache bench, and I got a result of 100 requests/sec on 12-STABLE vs 16,000 requests/sec on 11-STABLE. So something is definitely wrong. Nothing changed other than going from 11 to 12. ab on 12-STABLE: ab -n 100 -c 10 http://ip/ This is ApacheBench, Version 2.3 <$Revision: 1843412 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking ip (be patient).....done Server Software: nginx Server Hostname: ip Server Port: 80 Document Path: / Document Length: 16247 bytes Concurrency Level: 10 Time taken for tests: 1.013 seconds Complete requests: 100 Failed requests: 0 Total transferred: 1649900 bytes HTML transferred: 1624700 bytes Requests per second: 98.69 [#/sec] (mean) Time per request: 101.331 [ms] (mean) Time per request: 10.133 [ms] (mean, across all concurrent requests) Transfer rate: 1590.07 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.2 0 1 Processing: 100 101 0.5 101 102 Waiting: 0 0 0.1 0 1 Total: 100 101 0.6 101 102 Percentage of the requests served within a certain time (ms) 50% 101 66% 101 75% 101 80% 102 90% 102 95% 102 98% 102 99% 102 100% 102 (longest request) ab on 11-STABLE: ab -n 100 -c 10 http://ip/ This is ApacheBench, Version 2.3 <$Revision: 1843412 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking ip (be patient).....done Server Software: nginx Server Hostname: ip Server Port: 80 Document Path: / Document Length: 16247 bytes Concurrency Level: 10 Time taken for tests: 0.006 seconds Complete requests: 100 Failed requests: 0 Total transferred: 1651400 bytes HTML transferred: 1624700 bytes Requests per second: 16123.83 [#/sec] (mean) Time per request: 0.620 [ms] (mean) Time per request: 0.062 [ms] (mean, across all concurrent requests) Transfer rate: 260028.27 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.0 0 0 Processing: 0 0 0.1 0 1 Waiting: 0 0 0.0 0 1 Total: 0 1 0.0 1 1 Percentage of the requests served within a certain time (ms) 50% 1 66% 1 75% 1 80% 1 90% 1 95% 1 98% 1 99% 1 100% 1 (longest request)
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