How good is node.js?

Node.Js Developers

Node.js is the fastest framework available for Web Apps. It is really the best choice for client-facing containers in large SPA and SaaS products though it is the not the magic bullet for everything. Node.js is surely not the fastest for web pages but it is faster for Single page Apps (SPA) and Software as a Service (SaaS). As all the clients share the same event loop, Node is so fast. Node.js developers are punctual towards their assigned work of project and development which makes it a regular using framework.

Goodness of Node.js

1.    A single server can host 1,000,000 clients and all can be connected in a real time. The share is even the same as in the exact event loop, in the same exact process, on the same exact processor which means that they can all exchange messages, and more importantly, they can also share the same framework overhead and outsource blocking operations to worker thread. It indicates that node never blocks unless you are doing it wrong.

2.    It is the strength of node that it runs faster in a single thread and it should not be seen as a weakness to do this way. To scale with node, you don’t do squat at all, and then you just toss a new server into the worker thread pool. If your database access is getting slower, you can toss a new server DB server in the pool. Node handles all BS.

3.    Node is always there to stand anytime when something is required to be done. But you must be sure that you are writing a non-blocking event driven code. WebSocket was designed for Web Apps and it takes advantage of Node. A typical client connecting to a Node server and staying connected uses about 20kb of memory, and almost no CPU time.

4.    It is as good as it can be and it is just a new trend. Node will naturally find its rightful place. It is great for Sockets and is not mature enough. It is part of the MEAN stack, which is also a hopefully soon-to-die trend. Still it can be a valid choice for cross-platform desktop applications.
Node.js developers will prove that it can bring advantages that other solutions lack, for cross-platform desktop/ mobile applications, for sockets. But what Node.js is not, is a magical tool that should be used in every possible situation. It is not a fast language, and should be used accordingly.

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