Hadoop Tutorial – Modes Of Operation
Hadoop can be run in 3 Modes :
Fully Distributed Mode
In Standalone Mode, there are no daemons running.
In a Pseudo-Distributed Mode, Daemons run locally, simlulating a cluster on a small scale.Its easier to set up Hadoop in Standalone and pseudo-distributed mode.
In a Fully Distributed Mode, Daemons run on a cluster of machines.