In This Chapter:
The design and operation of the Hadoop Distributed File System (HDFS) are presented.
Important HDFS topics such as block replication, Safe Mode, rack awareness, High Availability, Federation, backup, snapshots, NFS mounting, and the HDFS web GUI are discussed.
Examples of basic HDFS user commands are provided.
HDFS programming examples using Java and C are provided.
The Hadoop Distributed ...