发布时间: 2020-12-02 23:24:00
参考：https://github.com/noahd1/oink
Gemfile:
gem 'oink'
Rails.application.middleware.use Oink::Middleware
之后重启rails, 看log
（会发现每次请求url之后， 内存会上升。。。找到明显上升的地方即可）
106 Dec 03 08:20:59 main-production-japan rails[33573]: Oink Action: private/managements#index 107 Dec 03 08:20:59 main-production-japan rails[33573]: Memory usage: 1151276 | PID: 33573 108 Dec 03 08:20:59 -main-production-japan rails[33573]: Instantiation Breakdown: Total: 4 | Manager: 2 | Role: 2 109 Dec 03 08:20:59 -main-production-japan rails[33573]: Oink Log Entry Complete 110 Dec 03 08:25:55 -main-production-japan rails[33573]: Oink Action: private/withdraws#index 111 Dec 03 08:25:55 -main-production-japan rails[33573]: Memory usage: 1151276 | PID: 33573 112 Dec 03 08:25:55 -main-production-japan rails[33573]: Instantiation Breakdown: Total: 474 | Currency: 170 | Withdraw: 100 | Member: 100 | 113 Dec 03 08:25:55 -main-production-japan rails[33573]: Oink Log Entry Complete 114 Dec 03 08:25:57 -main-production-japan rails[33573]: Oink Action: private/withdraws#index 115 Dec 03 08:25:57 -main-production-japan rails[33573]: Memory usage: 1151276 | PID: 33573 116 Dec 03 08:25:57 -main-production-japan rails[33573]: Instantiation Breakdown: Total: 474 | Currency: 170 | Withdraw: 100 | Member: 100 | 117 Dec 03 08:25:57 -main-production-japan rails[33573]: Oink Log Entry Complete 118 Dec 03 08:26:01 -main-production-japan rails[33573]: Oink Action: private/withdraws#index 119 Dec 03 08:26:01 -main-production-japan rails[33573]: Memory usage: 1216812 | PID: 33573 120 Dec 03 08:26:01 -main-production-japan rails[33573]: Instantiation Breakdown: Total: 474 | Currency: 170 | Withdraw: 100 | Member: 100 | 121 Dec 03 08:26:01 -main-production-japan rails[33573]: Oink Log Entry Complete
然后，使用oink 来分析日志
$ oink <log_file>
---- MEMORY THRESHOLD ---- THRESHOLD: 75 MB -- SUMMARY -- Worst Requests: 1. Dec 03 10:26:15, 19091140 KB, managers/sessions#new 2. Dec 03 10:22:44, 5642988 KB, managers/sessions#create 3. Dec 03 10:16:11, 4153928 KB, disputes#index 4. Dec 03 10:15:41, 4058000 KB, disputes#force_release 5. Dec 03 10:17:30, 3744456 KB, managers/sessions#new 6. Dec 03 10:17:03, 3737700 KB, disputes#force_release 7. Dec 03 10:15:03, 3300212 KB, private/members#edit_inviter_code 8. Dec 03 10:12:54, 2885724 KB, private/members#create_id_card 9. Dec 03 10:13:11, 2339664 KB, managers/sessions#create 10. Dec 03 10:14:24, 1155164 KB, private/members#show Worst Actions: 40, private/actual_k_lines#index 19, private/members#index 16, managers/sessions#new 11, private/members#edit 6, scheduled_unlockings#import 6, disputes#index 5, private/managements#index 3, managers/sessions#create Aggregated Totals: Action Max Mean Min Total Number of requests managers/sessions#new 19091140 1648466 101340 26375460 16 private/members#index 1128612 452494 131072 8597392 19 private/actual_k_lines#index 271284 206140 131072 8245636 40 managers/sessions#create 5642988 2713917 159100 8141752 3 disputes#force_release 4058000 3897850 3737700 7795700 2 disputes#index 4153928 1051313 195496 6307880 6Back