issue_comments: 1110278577

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https://github.com/simonw/datasette/issues/1723#issuecomment-1110278577 https://api.github.com/repos/simonw/datasette/issues/1723 1110278577 IC_kwDOBm6k_c5CLYGx 9599 2022-04-26T21:44:04Z 2022-04-26T21:44:04Z OWNER

And some simple benchmarks with ab - using the ?_parallel=1 hack to try it with and without a parallel asyncio.gather():

``` ~ % ab -n 100 'http://127.0.0.1:8001/global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2'
This is ApacheBench, Version 2.3 <$Revision: 1879490 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done

Server Software: uvicorn Server Hostname: 127.0.0.1 Server Port: 8001

Document Path: /global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2 Document Length: 314187 bytes

Concurrency Level: 1 Time taken for tests: 68.279 seconds Complete requests: 100 Failed requests: 13 (Connect: 0, Receive: 0, Length: 13, Exceptions: 0) Total transferred: 31454937 bytes HTML transferred: 31418437 bytes Requests per second: 1.46 [#/sec] (mean) Time per request: 682.787 [ms] (mean) Time per request: 682.787 [ms] (mean, across all concurrent requests) Transfer rate: 449.89 [Kbytes/sec] received

Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.0 0 0 Processing: 621 683 68.0 658 993 Waiting: 620 682 68.0 657 992 Total: 621 683 68.0 658 993

Percentage of the requests served within a certain time (ms) 50% 658 66% 678 75% 687 80% 711 90% 763 95% 879 98% 926 99% 993 100% 993 (longest request)

In parallel:

~ % ab -n 100 'http://127.0.0.1:8001/global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=1' This is ApacheBench, Version 2.3 <$Revision: 1879490 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done

Server Software: uvicorn Server Hostname: 127.0.0.1 Server Port: 8001

Document Path: /global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=1 Document Length: 315703 bytes

Concurrency Level: 1 Time taken for tests: 34.763 seconds Complete requests: 100 Failed requests: 11 (Connect: 0, Receive: 0, Length: 11, Exceptions: 0) Total transferred: 31607988 bytes HTML transferred: 31570288 bytes Requests per second: 2.88 [#/sec] (mean) Time per request: 347.632 [ms] (mean) Time per request: 347.632 [ms] (mean, across all concurrent requests) Transfer rate: 887.93 [Kbytes/sec] received

Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.0 0 0 Processing: 311 347 28.0 338 450 Waiting: 311 347 28.0 338 450 Total: 312 348 28.0 338 451

Percentage of the requests served within a certain time (ms) 50% 338 66% 348 75% 361 80% 367 90% 396 95% 408 98% 436 99% 451 100% 451 (longest request)

With concurrency 10, not parallel:

~ % ab -c 10 -n 100 'http://127.0.0.1:8001/global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=' This is ApacheBench, Version 2.3 <$Revision: 1879490 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done

Server Software: uvicorn Server Hostname: 127.0.0.1 Server Port: 8001

Document Path: /global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel= Document Length: 314346 bytes

Concurrency Level: 10 Time taken for tests: 38.408 seconds Complete requests: 100 Failed requests: 93 (Connect: 0, Receive: 0, Length: 93, Exceptions: 0) Total transferred: 31471333 bytes HTML transferred: 31433733 bytes Requests per second: 2.60 [#/sec] (mean) Time per request: 3840.829 [ms] (mean) Time per request: 384.083 [ms] (mean, across all concurrent requests) Transfer rate: 800.18 [Kbytes/sec] received

Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.1 0 1 Processing: 685 3719 354.0 3774 4096 Waiting: 684 3707 353.7 3750 4095 Total: 685 3719 354.0 3774 4096

Percentage of the requests served within a certain time (ms) 50% 3774 66% 3832 75% 3855 80% 3878 90% 3944 95% 4006 98% 4057 99% 4096 100% 4096 (longest request)

Concurrency 10 parallel:

~ % ab -c 10 -n 100 'http://127.0.0.1:8001/global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=1' This is ApacheBench, Version 2.3 <$Revision: 1879490 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done

Server Software: uvicorn Server Hostname: 127.0.0.1 Server Port: 8001

Document Path: /global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=1 Document Length: 315703 bytes

Concurrency Level: 10 Time taken for tests: 36.762 seconds Complete requests: 100 Failed requests: 89 (Connect: 0, Receive: 0, Length: 89, Exceptions: 0) Total transferred: 31606516 bytes HTML transferred: 31568816 bytes Requests per second: 2.72 [#/sec] (mean) Time per request: 3676.182 [ms] (mean) Time per request: 367.618 [ms] (mean, across all concurrent requests) Transfer rate: 839.61 [Kbytes/sec] received

Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.1 0 0 Processing: 381 3602 419.6 3609 4458 Waiting: 381 3586 418.7 3607 4457 Total: 381 3603 419.6 3609 4458

Percentage of the requests served within a certain time (ms) 50% 3609 66% 3741 75% 3791 80% 3821 90% 3972 95% 4074 98% 4386 99% 4458 100% 4458 (longest request)

Trying -c 3 instead. Non parallel:

~ % ab -c 3 -n 100 'http://127.0.0.1:8001/global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=' This is ApacheBench, Version 2.3 <$Revision: 1879490 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done

Server Software: uvicorn Server Hostname: 127.0.0.1 Server Port: 8001

Document Path: /global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel= Document Length: 314346 bytes

Concurrency Level: 3 Time taken for tests: 39.365 seconds Complete requests: 100 Failed requests: 83 (Connect: 0, Receive: 0, Length: 83, Exceptions: 0) Total transferred: 31470808 bytes HTML transferred: 31433208 bytes Requests per second: 2.54 [#/sec] (mean) Time per request: 1180.955 [ms] (mean) Time per request: 393.652 [ms] (mean, across all concurrent requests) Transfer rate: 780.72 [Kbytes/sec] received

Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.0 0 0 Processing: 731 1153 126.2 1189 1359 Waiting: 730 1151 125.9 1188 1358 Total: 731 1153 126.2 1189 1359

Percentage of the requests served within a certain time (ms) 50% 1189 66% 1221 75% 1234 80% 1247 90% 1296 95% 1309 98% 1343 99% 1359 100% 1359 (longest request)

Parallel:

~ % ab -c 3 -n 100 'http://127.0.0.1:8001/global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=1' This is ApacheBench, Version 2.3 <$Revision: 1879490 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done

Server Software: uvicorn Server Hostname: 127.0.0.1 Server Port: 8001

Document Path: /global-power-plants/global-power-plants?_facet=primary_fuel&_facet=other_fuel1&_facet=other_fuel3&_facet=other_fuel2&_parallel=1 Document Length: 315703 bytes

Concurrency Level: 3 Time taken for tests: 34.530 seconds Complete requests: 100 Failed requests: 18 (Connect: 0, Receive: 0, Length: 18, Exceptions: 0) Total transferred: 31606179 bytes HTML transferred: 31568479 bytes Requests per second: 2.90 [#/sec] (mean) Time per request: 1035.902 [ms] (mean) Time per request: 345.301 [ms] (mean, across all concurrent requests) Transfer rate: 893.87 [Kbytes/sec] received

Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.0 0 0 Processing: 412 1020 104.4 1018 1280 Waiting: 411 1018 104.1 1014 1275 Total: 412 1021 104.4 1018 1280

Percentage of the requests served within a certain time (ms) 50% 1018 66% 1041 75% 1061 80% 1079 90% 1136 95% 1176 98% 1251 99% 1280 100% 1280 (longest request) ```

 
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