为什么 Mongo 不读取 /usr/local/mongodb/mongod.conf 文件？
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Why doesn't Mongo read the /usr/local/mongodb/mongod.conf file?
提问by Shamoon
In my /usr/local/mongodb/mongod.conffile, I have
在我的/usr/local/mongodb/mongod.conf文件中，我有
# Store data alongside MongoDB instead of the default, /data/db/
dbpath = /usr/local/mongodb_data
# Only accept local connections
bind_ip = 127.0.0.1
But when I try to run Mongo (on my mac), I get an error:
但是当我尝试运行 Mongo（在我的 Mac 上）时，出现错误：
Wed Sep 14 09:29:35 [initandlisten] exception in initAndListen std::exception: dbpath (/data/db/) does not exist, terminating
So apparently the conf file is not being read
所以显然 conf 文件没有被读取
采纳答案by Petrogad
You must specify if you want it to use another config; there isn't a default config file.
您必须指定是否希望它使用其他配置；没有默认配置文件。
See Here: File Based Configuration
请参阅此处： 基于文件的配置
To achieve what you want to do; you can either specify your config path or start your mongo server like:
实现你想做的事；您可以指定您的配置路径或启动您的 mongo 服务器，如：
mongod --dbpath /usr/local/mongodb_data
回答by davidmc24
If you install MongoDB using brew, the LaunchAgent files that it generates for you will use a configuration file at /usr/local/etc/mongod.conf by default.
如果您使用brew安装 MongoDB ，默认情况下，它为您生成的 LaunchAgent 文件将使用 /usr/local/etc/mongod.conf 中的配置文件。
This behavior is defined in:
此行为定义在：
https://github.com/Homebrew/homebrew/blob/master/Library/Formula/mongodb.rb
https://github.com/Homebrew/homebrew/blob/master/Library/Formula/mongodb.rb
Note that this "default" only applies when running MongoDB as a service via launchctl, not manually starting it by running mongodb.
请注意，此“默认值”仅适用于通过 将 MongoDB 作为服务运行时launchctl，而不是通过运行mongodb.
As of 2015-03-09, the instructions given by Homebrew after installing MongoDB 3.0.0 are:
截至2015-03-09，安装MongoDB 3.0.0后Homebrew给出的说明是：
==> Caveats
To reload mongodb after an upgrade:
launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.mongodb.plist
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mongodb.plist
Or, if you don't want/need launchctl, you can just run:
mongod --config /usr/local/etc/mongod.conf
Note the explicit --configargument in the manual run command.
请注意--config手动运行命令中的显式参数。
回答by Duke
I wanted to just be able to type mongodand have it work decently. This works, but with caveats:
我只想能够打字mongod并让它正常工作。这有效，但有警告：
% sudo mkdir /data
% sudo ln -s /usr/local/var/mongodb /data/db
Note that there are some useful configurations in homebrew's default /usr/local/etc/mongod.conf. Here's the file for reference:
请注意，自制软件的默认 /usr/local/etc/mongod.conf 中有一些有用的配置。这是供参考的文件：
systemLog:
destination: file
path: /usr/local/var/log/mongodb/mongo.log
logAppend: true
storage:
dbPath: /usr/local/var/mongodb
net:
bindIp: 127.0.0.1
So it'll log to the console, and connections won't be restricted to localhost.
所以它会登录到控制台，并且连接不会被限制在本地主机上。
Note: as in @ballPointPenguin's post, now that Homebrew has brew services, that is an excellent option.
注意：就像@ballPointPenguin 的帖子一样，现在 Homebrew 有brew services，这是一个很好的选择。
回答by ballPointPenguin
As noted by @davidmc24, homebrew installation of mongo will use the configuration file by default when started with launchctl. Simply use:
正如@davidmc24 所指出的，mongo 的 homebrew 安装将在使用 launchctl 启动时默认使用配置文件。只需使用：
brew services start mongodb
You can follow the logs at (default location):
您可以在（默认位置）查看日志：
tail -f /usr/local/var/log/mongodb/mongo.log
