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Explain In Brief The Three Modes In Which Hadoop Can Be Run?

Answer»

The three modes in which HADOOP can be RUN are:

  1. Standalone (local) mode - No Hadoop daemons RUNNING, everything runs on a single Java Virtual machine only.
  2. Pseudo-DISTRIBUTED mode - Daemons run on the local machine, thereby simulating a CLUSTER on a smaller scale.
  3. Fully distributed mode - Runs on a cluster of machines.

The three modes in which Hadoop can be run are:



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