Uses of Class org.apache.hadoop.mapreduce.Partitioner (Hadoop 1.2.1 API)
Date: 2013-07-22

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## Uses of Class
org.apache.hadoop.mapreduce.Partitioner

Packages that use Partitioner
org.apache.hadoop.examples | Hadoop example code.
org.apache.hadoop.mapreduce |
org.apache.hadoop.mapreduce.lib.partition |

Uses of Partitioner in org.apache.hadoop.examples

Subclasses of Partitioner in org.apache.hadoop.examples
`static class` | `SecondarySort.FirstPartitioner` Partition based on the first part of the pair.

Uses of Partitioner in org.apache.hadoop.mapreduce

Methods in org.apache.hadoop.mapreduce that return types with arguments of type Partitioner
`Class<? extends Partitioner<?,?>>` | `JobContext.getPartitionerClass()` Get the `Partitioner` class for the job.

Method parameters in org.apache.hadoop.mapreduce with type arguments of type Partitioner
`void` | `Job.setPartitionerClass(Class<? extends Partitioner> cls)` Set the `Partitioner` for the job.

Uses of Partitioner in org.apache.hadoop.mapreduce.lib.partition

Subclasses of Partitioner in org.apache.hadoop.mapreduce.lib.partition
`class` | `BinaryPartitioner<V>` Partition `BinaryComparable` keys using a configurable part of the bytes array returned by `BinaryComparable.getBytes()`.
`class` | `HashPartitioner<K,V>` Partition keys by their `Object.hashCode()`.
`class` | `KeyFieldBasedPartitioner<K2,V2>` Defines a way to partition keys based on certain key fields (also see `KeyFieldBasedComparator`.
`class` | `TotalOrderPartitioner<K extends WritableComparable<?>,V>` Partitioner effecting a total order by reading split points from an externally generated source.

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