Chapter 1. Getting Started with Hadoop 2.X
This chapter covers the following topics:
- Installing a single-node Hadoop cluster
- Installing a multi-node Hadoop cluster
- Adding new nodes to existing Hadoop clusters
- Executing the balancer command for uniform data distribution
- Entering and exiting from the safe mode in a Hadoop cluster
- Decommissioning
DataNodes - Performing benchmarking on a Hadoop cluster
Introduction
Hadoop has been the primary platform for many people who deal with big data problems. It is the heart of big data. Hadoop was developed way back between 2003 and 2004 when Google published research papers on Google File System (GFS) and Map Reduce. Hadoop was structured around the crux of these research papers, and thus derived its shape. With the ...
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