Hadoop deployment method

There are many methods used to deploy Hadoop,  few are as follows :

Standalone :

In this method, there are no daemons running, everythings runs as in a single JVM. This method is suitable for running MapReduce program during development and it is easy test, debug.

Pseudo-distributed :

The Hadoop daemon process runs on a local machine simulating a cluster on a small scale.

Fully distributed :

Here, Hadoop runs on a cluster of machines which provides production environment.

 

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