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AppMonitor is base on Look. Look is a perfomance profiler for node.js applications based on nodetime.

AppMonitor just collect performance and send message by Socket.IO then any socket.IO client can receive those performance data and re-send any where.


npm install appmonitor


The following call should be placed before any other require statement in your application, e.g. at the first line of your main module


AppMonitor will be started as a web server on port 5959, you can access it by pointing your browser to: http://[yourhost]:5959 AppMonitor also binding this port as a websocket server, then any websocket client can conneting it and get performance data.


  • port Listening port, defaulting to 5959
  • host Listening host, defaulting to
require('appmonitor').start(3000, '');