List of Tables

Chapter 1. Introducing Hadoop

Table 1.1. Words with a Count Higher than 4 in the 2002 State of the Union Address

Chapter 3. Components of Hadoop

Table 3.1. List of frequently used types for the key/value pairs. These classes all implement the WritableComparable interface.

Table 3.2. Some useful Mapper implementations predefined by Hadoop

Table 3.3. Some useful Reducer implementations predefined by Hadoop

Table 3.4. Main InputFormat classes. TextInputFormat is the default unless an alternative is specified. The object type for key and value are also described.

Table 3.5. Main OutputFormat classes. TextOutputFormat is the default.

Chapter 4. Writing basic MapReduce programs

Table 4.1. Definition of the first 10 attributes in the patent description data set

Table 4.2. Options supported by GenericOptionsParser

Table 4.3. List of value aggregator functions supported by the Aggregate package

Table 4.5. Monitoring the effectiveness of the combiner in the AveragingWithCombiner job

Chapter 6. Programming Practices

Table 6.1. Configuration property for setting a job’s name

Table 6.2. Equivalent JobConf properties to method calls in SkipBadRecords

Table 6.3. Configuration properties to control the compression of mapper’s output

Table 6.4. List of codecs available under the org.apache.hadoop.io.compress package

Table 6.5. Configuration properties for outputting compressed sequence file

Table 6.6. Configuration property for enabling JVM reuse