Hadoop Configuration

Hadoop can configured in below modes ( Three types of modes).

  • Standalone mode:  All the  Hadoop services run in a single Java Virtual Machine on a single machine.
  • Pseudo-distributed mode: each Hadoop service runs in its own JVM but on a single machine.
  • Fully distributed mode: the Hadoop services run in individual JVMs, but these JVMs resides on different-different commodity hardware in a single cluster.