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即使将log_level设置为：debug，rails 4.2也无法在heroku日志中看到数据库查询

[英]rails 4.2 can't see db queries in heroku logs even though log_level set to :debug

 原文  2015-04-03 05:09:05  8   1    ruby-on-rails/ ruby/ ruby-on-rails-4/ logging/ heroku

问题描述

Here is a project I'm working on: https://github.com/homanchou/the_drawing_challenge 这是我正在从事的项目： https : //github.com/homanchou/the_drawing_challenge

I'm having trouble seeing any db queries in the server logs on heroku or even locally in the terminal when running Puma with Foreman. 使用Foreman运行Puma时，无法在heroku或什至在终端本地查看服务器日志中的任何数据库查询。

All I see are asset or web requests 我所看到的只是资产或网络请求 

21:54:34 web.1  | started with pid 54784
21:54:35 web.1  | [54784] Puma starting in cluster mode...
21:54:35 web.1  | [54784] * Version 2.10.2 (ruby 2.1.5-p273), codename: Robots on Comets
21:54:35 web.1  | [54784] * Min threads: 1, max threads: 4
21:54:35 web.1  | [54784] * Environment: development
21:54:35 web.1  | [54784] * Process workers: 2
21:54:35 web.1  | [54784] * Preloading application
21:54:36 web.1  | [54784] * Listening on tcp://0.0.0.0:5000
21:54:36 web.1  | [54784] Use Ctrl-C to stop
21:54:36 web.1  | [54784] - Worker 0 (pid: 54785) booted, phase: 0
21:54:36 web.1  | [54784] - Worker 1 (pid: 54786) booted, phase: 0
21:54:43 web.1  | [54785] 127.0.0.1 - - [02/Apr/2015:21:54:43 -0700] "GET / HTTP/1.1" 200 - 0.3120
21:54:43 web.1  | [54785] 127.0.0.1 - - [02/Apr/2015:21:54:43 -0700] "GET /logo_header.png HTTP/1.1" 304 - 0.0079
21:54:45 web.1  | [54785] 127.0.0.1 - - [02/Apr/2015:21:54:45 -0700] "GET /challenges/8 HTTP/1.1" 200 - 0.0443
21:54:45 web.1  | [54785] 127.0.0.1 - - [02/Apr/2015:21:54:45 -0700] "GET /logo_header.png HTTP/1.1" 304 - 0.0067

I had to add another line to the Procfile log: tail -f -n 0 log/development.log to see logs or errors in stdout of foreman start like I normally do, but that only works locally and not on heroku unless I want to scale up a process for that tailing. 我必须在Procfile log: tail -f -n 0 log/development.log添加另一行log: tail -f -n 0 log/development.log来像通常那样查看foreman start标准输出中的日志或错误，但是它只能在本地运行，而不能在heroku上运行，除非我想要扩大拖尾的过程。

In my other rails project I can see the db queries fine, even on heroku I can see the db queries in the log: 在我的其他Rails项目中，我可以看到数据库查询很好，即使在heroku上，我也可以在日志中看到数据库查询： 

2015-04-03T03:46:40.052067+00:00 app[web.1]: Started GET "/api/notifications/unread_count" for 97.93.34.8 at 2015-04-03 03:46:40 +0000
2015-04-03T03:46:40.070865+00:00 app[web.1]:   Merchant Load (2.7ms)  SELECT  "merchants".* FROM "merchants" WHERE "merchants"."id" = $1  ORDER BY "merchants"."id" ASC LIMIT 1  [["id", 7502]]
2015-04-03T03:46:40.085454+00:00 app[web.1]:   SQL (2.3ms)  UPDATE "merchants" SET "updated_at" = '2015-04-03 03:46:40.074442', "last_active_at" = '2015-04-03 03:46:40.074442' WHERE "merchants"."id" = $1  [["id", 7502]]
2015-04-03T03:46:40.101382+00:00 app[web.1]:    (2.3ms)  SELECT COUNT(*) FROM "notifications" WHERE "notifications"."merchant_id" = $1 AND "notifications"."state" = $2  [["merchant_id", 7502], ["state", "unread"]]
2015-04-03T03:46:40.058083+00:00 app[web.1]: Processing by NotificationsController#unread_count as JSON
2015-04-03T03:46:40.073916+00:00 app[web.1]:    (1.0ms)  BEGIN
2015-04-03T03:46:40.093737+00:00 app[web.1]:    (7.4ms)  COMMIT
2015-04-03T03:46:40.102858+00:00 app[web.1]: Completed 200 OK in 45ms (Views: 0.2ms | ActiveRecord: 15.6ms)

I tried comparing the two and even copying over some environment configurations but I still can't figure it out. 我尝试将两者进行比较，甚至在某些环境配置中进行复制，但仍然无法弄清楚。 I've tried setting config.log_level = :debug on the production environment. 我尝试在生产环境中设置config.log_level =：debug。 I can see db queries in the ruby console, but not the heroku or local puma stdout in the terminal. 我可以在ruby控制台中看到数据库查询，但是在终端中看不到heroku或本地puma标准输出。 What am I missing? 我想念什么？

1 个解决方案

解决方案1
 0  2015-04-03 05:18:24

If you need to use puma for websockets etc try adding 如果您需要将puma用于websockets等，请尝试添加 

ActiveRecord::Base.logger.level = Logger::DEBUG

to your environments.rb or environments/production 到您的environment.rb或环境/生产

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