Node.Js : Success stories

Node.Js is quite new to server side scripting compared to Java, ASP.NET, PHP many other languages. But the interesting thing is it has gained a huge interest of developers over other server side scripting languages.There are a lot of reasons for that.

Here are few reasons for popularity of Node.Js,

• Asynchronous and Event Driven
• Very Fast
• Single Threaded but Highly Scalable
• No Buffering

But I'm not going to talk about those things. There are some interesting stories about Node.Js

Here are stories about what world's popular companies gained by using Node.Js (Obtained from a talk of Greg Rewis)

• Groupon
  Groupon is a global e-commerce marketplace connecting millions of subscribers with local merchants by offering activities, travel, goods and services in more than 45 countries. Groupon re-implemented their system in Node.js which resulted in page reload times droping by a whopping 50%

• LinkedIn
  We all know what LinkedIn is. It is a business-oriented social networking service.
  
  LinkedIn moved to Node.js from Rails for their mobile traffic, reducing the number of servers from 30 to 3 (90% reduction) and the new system was up to 20x faster.

• PayPal
  PayPal Holdings, Inc. is an American company operating a worldwide online payments system.
  
  PayPal has measured a 2x increase in developer productivity with half the number of developers used to deliver an application when compared to Java, and it was delivered in less time.

The most interesting story is...

• WalMart
  WalMart is an American multinational retail corporation that operates a chain of hypermarkets, discount department stores and grocery stores.
  
  WalMart Labs had a bumper launch with Node.Js in 2013, where they put all of their mobile traffic through Node.Js on Black Friday(Black Friday is the day following Thanksgiving Day in the United States)
  
  Most interesting thing is..
  
  The WalMart servers didn't go over 1% CPU utilization and the team did a deploy with 200,000,000 users online.