Chapter 3. Scalding by Example

This chapter presents how to read and write local and Hadoop Distributed File System (HDFS) files with Scalding. It introduces the complete Scalding core capabilities through the Fields API and serves as a reference to look up how the Scalding commands can be used. In this chapter, we will cover:

• Map-like operations
• Join operations
• Pipe operations
• Grouping and reducing operations
• Composite operations