Hadoop in Practice

List of Figures

Chapter 1. Hadoop in a heartbeat

Figure 1.1. The Hadoop environment

Figure 1.2. High-level Hadoop architecture

Figure 1.3. HDFS architecture shows an HDFS client communicating with the master NameNode and slave DataNodes.

Figure 1.4. A client submitting a job to MapReduce

Figure 1.5. A logical view of the map function

Figure 1.6. MapReduce’s shuffle and sort

Figure 1.7. A logical view of the reduce function

Figure 1.8. MapReduce logical architecture

Figure 1.9. Hadoop and related technologies

Figure 1.10. Hadoop’s physical architecture

Figure 1.11. An example of an inverted index being created in MapReduce

Figure 1.12. The Hadoop JobTracker user interface

Figure 1.13. The Hadoop TaskTracker user interface

Chapter 2. Moving data ...