MongoDB

WARNING: soft rlimits too low” in MongoDB with Mac OS X

source

If you get this warning when you connect to mongo shell in Mac OX X:

** WARNING: soft rlimits too low. Number of files is 256, should be at least 1000
A simple way to fix this is setting the limit just before starting mongod with this:

ulimit -n 1024 && mongod

Or this:

launchctl limit maxfiles 1024 1024

But if you are running mongo in a development environment this shouldn’t be a problem, you can just ignore it.

This is a temporary and not very pretty fix. To make this permanent you have to add this to the/etc/launchd.conf file:

launchctl limit maxfiles 1024 1024

Now reboot to make changes effective.

You can see the actual values of the limits running this:

$ launchctl limit maxfiles
        maxfiles    1024           1024

Remember to restart your mongod process every time you change any value to see if it works.

url

http://i5ting.com/2014/04/start-a-new-nodejs-the-right-way/

http://mongoosejs.com/docs/index.html

自动reload代码：supervisor

安装

npm install --save supervisor

修改package.js

“scripts”: {
“start”: “./node_modules/.bin/supervisor ./bin/www”
}

然后

npm start

打印错误栈信息: stackman

He is like Batman, but for Node.js stack traces

https://github.com/watson/stackman

http://scotch.io/tutorials/javascript/build-a-restful-api-using-node-and-express-4#route-middleware