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| Packages that use Partitioner | |
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| 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 |
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| Subclasses of Partitioner in org.apache.hadoop.examples | |
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static class |
SecondarySort.FirstPartitioner
Partition based on the first part of the pair. |
| Uses of Partitioner in org.apache.hadoop.mapreduce |
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| Methods in org.apache.hadoop.mapreduce that return types with arguments of type Partitioner | |
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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 | |
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void |
Job.setPartitionerClass(Class<? extends Partitioner> cls)
Set the Partitioner for the job. |
| Uses of Partitioner in org.apache.hadoop.mapreduce.lib.partition |
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| Subclasses of Partitioner in org.apache.hadoop.mapreduce.lib.partition | |
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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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