From my cheap VPS in LA:
ab -n20 'https://en.wikipedia.org/w/api.php?format=json&uselang=en&action=visualeditor&paction=parse&page=Barack_Obama'
Server Software: nginx/1.1.19
Server Hostname: en.wikipedia.org
Server Port: 443
SSL/TLS Protocol: TLSv1.2,ECDHE-RSA-AES128-GCM-SHA256,2048,128
Document Path: /w/api.php?format=json&uselang=en&action=visualeditor&paction=parse&page=Barack_Obama
Document Length: 4095263 bytes
Concurrency Level: 1
Time taken for tests: 144.733 seconds
Complete requests: 20
Failed requests: 0
Total transferred: 81918086 bytes
HTML transferred: 81905260 bytes
Requests per second: 0.14 [#/sec] (mean)
Time per request: 7236.634 [ms] (mean)
Time per request: 7236.634 [ms] (mean, across all concurrent requests)
Transfer rate: 552.73 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 43 61 56.6 47 296
Processing: 2168 7176 7539.6 4625 34548
Waiting: 1960 4308 908.8 4367 5470
Total: 2211 7237 7572.9 4669 34642
Percentage of the requests served within a certain time (ms)
50% 4669
66% 5457
75% 5549
80% 6142
90% 20672
95% 34642
98% 34642
99% 34642
100% 34642 (longest request)To rule out that this is caused by https, I repeated the experiment with http:
ab -n20 'http://en.wikipedia.org/w/api.php?format=json&uselang=en&action=visualeditor&paction=parse&page=Barack_Obama'
This is ApacheBench, Version 2.3 <$Revision: 1604373 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking en.wikipedia.org (be patient).....done
Server Software: Apache
Server Hostname: en.wikipedia.org
Server Port: 80
Document Path: /w/api.php?format=json&uselang=en&action=visualeditor&paction=parse&page=Barack_Obama
Document Length: 4095263 bytes
Concurrency Level: 1
Time taken for tests: 181.187 seconds
Complete requests: 20
Failed requests: 0
Total transferred: 81917216 bytes
HTML transferred: 81905260 bytes
Requests per second: 0.11 [#/sec] (mean)
Time per request: 9059.367 [ms] (mean)
Time per request: 9059.367 [ms] (mean, across all concurrent requests)
Transfer rate: 441.52 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 12 115 309.1 14 1021
Processing: 2036 8944 4865.5 10475 16402
Waiting: 1879 3277 1041.4 4077 4464
Total: 2050 9059 5002.1 10492 17419
Percentage of the requests served within a certain time (ms)
50% 10492
66% 11933
75% 14249
80% 14588
90% 14840
95% 17419
98% 17419
99% 17419
100% 17419 (longest request)This is on average more than four times slower than the equivalent content request directly to the parsoid caches, even after taking into account the slightly larger response body:
ab -n20 http://parsoid-lb.eqiad.wikimedia.org/enwiki/Barack_Obama?oldid=643768869
Server Software:
Server Hostname: parsoid-lb.eqiad.wikimedia.org
Server Port: 80
Document Path: /enwiki/Barack_Obama?oldid=643768869
Document Length: 3592164 bytes
Concurrency Level: 1
Time taken for tests: 28.005 seconds
Complete requests: 20
Failed requests: 0
Total transferred: 71853606 bytes
HTML transferred: 71843280 bytes
Requests per second: 0.71 [#/sec] (mean)
Time per request: 1400.269 [ms] (mean)
Time per request: 1400.269 [ms] (mean, across all concurrent requests)
Transfer rate: 2505.57 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 69 70 1.4 69 73
Processing: 862 1330 319.4 1348 2092
Waiting: 88 233 321.8 95 1322
Total: 931 1400 319.6 1418 2161
Percentage of the requests served within a certain time (ms)
50% 1418
66% 1528
75% 1552
80% 1628
90% 1867
95% 2161
98% 2161
99% 2161
100% 2161 (longest request)All requests are Parsoid Varnish hits, as witnessed by hit/200 entries in the logs on cp1045.