1 新旧版本实现
旧版本：PHP语言实现,应用屡次DB查问来生成一个用户名，再DB查问用户表，确保用户名未反复
新版本：PHP语言实现,从Redis间接获取一个可用用户名，注册时候再判断是否未反复
Go版本：Go语言实现，其余统一
这里的优化次要有两点：
1.次要是采纳发号器的思维，预生成可用的账号，而不是每次用的时候才生成2.把判断是否未反复滞后，真正实现注册的那一步才去判断，因为很多用户下载了游戏，未必走到注册那一步，大略只有80%出头的激活注册率
2 压测体现
ab压测各情景下均屡次压测，取较两头值的一次数据
2.1 旧版本
terence@k8s-master:~$ ab -c 10 -n 50 -p post http://dksdk_api.test/api/v7/user/registeroneab: Could not open POST data file (post): No such file or directoryterence@k8s-master:~$ ab -c 10 -n 50 -p a.txt http://dksdk_api.test/api/v7/user/registeroneThis is ApacheBench, Version 2.3 <$Revision: 1807734 $>Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Licensed to The Apache Software Foundation, http://www.apache.org/Benchmarking dksdk_api.test (be patient).....doneServer Software: nginxServer Hostname: dksdk_api.testServer Port: 80Document Path: /api/v7/user/registeroneDocument Length: 175 bytesConcurrency Level: 10Time taken for tests: 25.667 secondsComplete requests: 50Failed requests: 40 (Connect: 0, Receive: 0, Length: 40, Exceptions: 0)Total transferred: 29886 bytesTotal body sent: 7950HTML transferred: 8636 bytesRequests per second: 1.95 [#/sec] (mean)Time per request: 5133.476 [ms] (mean)Time per request: 513.348 [ms] (mean, across all concurrent requests)Transfer rate: 1.14 [Kbytes/sec] received 0.30 kb/s sent 1.44 kb/s totalConnection Times (ms) min mean[+/-sd] median maxConnect: 0 0 0.2 0 1Processing: 2091 4931 1898.5 4688 10802Waiting: 2091 4931 1898.5 4688 10802Total: 2091 4931 1898.6 4688 10802Percentage of the requests served within a certain time (ms) 50% 4688 66% 6068 75% 6105 80% 6189 90% 7721 95% 8355 98% 10802 99% 10802 100% 10802 (longest request)均匀耗时513ms,其中Lumen框架启动大略30~100ms以内，DB查问视状况是否现实大略500ms左右，非对称加密个位数级别若干毫秒可忽略不计
2.2 新版本
terence@k8s-master:~$ ab -c 10 -n 50 -p a.txt http://dksdk_api_v2.test/api/v7/user/registeroneThis is ApacheBench, Version 2.3 <$Revision: 1807734 $>Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Licensed to The Apache Software Foundation, http://www.apache.org/Benchmarking dksdk_api_v2.test (be patient).....doneServer Software: nginxServer Hostname: dksdk_api_v2.testServer Port: 80Document Path: /api/v7/user/registeroneDocument Length: 346 bytesConcurrency Level: 10Time taken for tests: 1.715 secondsComplete requests: 50Failed requests: 40 (Connect: 0, Receive: 0, Length: 40, Exceptions: 0)Total transferred: 26941 bytesTotal body sent: 8100HTML transferred: 17241 bytesRequests per second: 29.15 [#/sec] (mean)Time per request: 343.076 [ms] (mean)Time per request: 34.308 [ms] (mean, across all concurrent requests)Transfer rate: 15.34 [Kbytes/sec] received 4.61 kb/s sent 19.95 kb/s totalConnection Times (ms) min mean[+/-sd] median maxConnect: 0 0 0.2 0 1Processing: 80 336 133.9 343 621Waiting: 80 336 133.9 343 621Total: 81 337 133.8 343 621Percentage of the requests served within a certain time (ms) 50% 343 66% 375 75% 410 80% 474 90% 521 95% 547 98% 621 99% 621 100% 621 (longest request)均匀耗时34ms,只有旧版本的6.6%，其中Lumen框架启动大略30~100ms以内，DB查问大略200ms左右，非对称加密个位数级别若干毫秒可忽略不计
2.3 旧版本 开启Opcache
terence@k8s-master:~$ ab -c 10 -n 50 -p a.txt http://dksdk_api.test/api/v7/user/registeroneThis is ApacheBench, Version 2.3 <$Revision: 1807734 $>Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Licensed to The Apache Software Foundation, http://www.apache.org/Benchmarking dksdk_api.test (be patient).....doneServer Software: nginxServer Hostname: dksdk_api.testServer Port: 80Document Path: /api/v7/user/registeroneDocument Length: 420 bytesConcurrency Level: 10Time taken for tests: 19.284 secondsComplete requests: 50Failed requests: 27 (Connect: 0, Receive: 0, Length: 27, Exceptions: 0)Total transferred: 42057 bytesTotal body sent: 7950HTML transferred: 20807 bytesRequests per second: 2.59 [#/sec] (mean)Time per request: 3856.747 [ms] (mean)Time per request: 385.675 [ms] (mean, across all concurrent requests)Transfer rate: 2.13 [Kbytes/sec] received 0.40 kb/s sent 2.53 kb/s totalConnection Times (ms) min mean[+/-sd] median maxConnect: 0 0 0.1 0 0Processing: 1830 3689 1213.6 3527 7273Waiting: 1830 3689 1213.6 3527 7273Total: 1830 3690 1213.6 3527 7273Percentage of the requests served within a certain time (ms) 50% 3527 66% 3911 75% 4534 80% 4907 90% 5604 95% 5639 98% 7273 99% 7273 100% 7273 (longest request)均匀耗时385ms, 相当于只节俭了Lumen框架启动所需的工夫，耗时大头的DB查问还是原样
2.4 新版本 开启Opcache
terence@k8s-master:~$ ab -c 10 -n 50 -p a.txt http://dksdk_api_v2.test/api/v7/user/registeroneThis is ApacheBench, Version 2.3 <$Revision: 1807734 $>Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Licensed to The Apache Software Foundation, http://www.apache.org/Benchmarking dksdk_api_v2.test (be patient).....doneServer Software: nginxServer Hostname: dksdk_api_v2.testServer Port: 80Document Path: /api/v7/user/registeroneDocument Length: 345 bytesConcurrency Level: 10Time taken for tests: 0.143 secondsComplete requests: 50Failed requests: 26 (Connect: 0, Receive: 0, Length: 26, Exceptions: 0)Total transferred: 26951 bytesTotal body sent: 8100HTML transferred: 17251 bytesRequests per second: 349.37 [#/sec] (mean)Time per request: 28.623 [ms] (mean)Time per request: 2.862 [ms] (mean, across all concurrent requests)Transfer rate: 183.91 [Kbytes/sec] received 55.27 kb/s sent 239.18 kb/s totalConnection Times (ms) min mean[+/-sd] median maxConnect: 0 0 0.1 0 0Processing: 4 27 18.4 22 89Waiting: 4 27 18.4 22 89Total: 4 27 18.4 22 90Percentage of the requests served within a certain time (ms) 50% 22 66% 31 75% 36 80% 42 90% 52 95% 56 98% 90 99% 90 100% 90 (longest request)均匀耗时2.86ms, 节俭了Lumen框架启动所需的工夫，没有DB查问，只有一次Redis查问,毫秒级别能就搞定了
2.5 新版本 Go语言
terence@k8s-master:~$ ab -c 10 -n 50 -p a.txt http://192.168.10.83:8080/registeroneThis is ApacheBench, Version 2.3 <$Revision: 1807734 $>Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Licensed to The Apache Software Foundation, http://www.apache.org/Benchmarking 192.168.10.83 (be patient).....doneServer Software: Server Hostname: 192.168.10.83Server Port: 8080Document Path: /registeroneDocument Length: 0 bytesConcurrency Level: 10Time taken for tests: 0.050 secondsComplete requests: 50Failed requests: 0Total transferred: 3750 bytesTotal body sent: 7550HTML transferred: 0 bytesRequests per second: 1007.03 [#/sec] (mean)Time per request: 9.930 [ms] (mean)Time per request: 0.993 [ms] (mean, across all concurrent requests)Transfer rate: 73.76 [Kbytes/sec] received 148.50 kb/s sent 222.25 kb/s totalConnection Times (ms) min mean[+/-sd] median maxConnect: 0 4 3.0 3 10Processing: 0 5 3.3 6 17Waiting: 0 4 3.1 5 10Total: 5 9 4.4 8 20Percentage of the requests served within a certain time (ms) 50% 8 66% 9 75% 10 80% 11 90% 19 95% 19 98% 20 99% 20 100% 20 (longest request)均匀耗时0.993ms，真香