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Packages that use Partitioner | |
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org.apache.hadoop.examples | Hadoop example code. |
org.apache.hadoop.examples.pi | This package consists of a map/reduce application, distbbp, which computes exact binary digits of the mathematical constant π. |
org.apache.hadoop.examples.terasort | This package consists of 3 map/reduce applications for Hadoop to compete in the annual terabyte sort competition. |
org.apache.hadoop.mapreduce | |
org.apache.hadoop.mapreduce.lib.map | |
org.apache.hadoop.mapreduce.lib.output | |
org.apache.hadoop.mapreduce.lib.partition | |
org.apache.hadoop.mapreduce.lib.reduce |
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.examples.pi |
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Subclasses of Partitioner in org.apache.hadoop.examples.pi | |
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static class |
DistSum.ReduceSide.IndexPartitioner
Use the index for partitioning. |
Uses of Partitioner in org.apache.hadoop.examples.terasort |
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Subclasses of Partitioner in org.apache.hadoop.examples.terasort | |
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static class |
TeraSort.SimplePartitioner
A total order partitioner that assigns keys based on their first PREFIX_LENGTH bytes, assuming a flat distribution. |
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.map |
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Methods in org.apache.hadoop.mapreduce.lib.map that return types with arguments of type Partitioner | |
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Class<? extends Partitioner<?,?>> |
WrappedMapper.Context.getPartitionerClass()
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Uses of Partitioner in org.apache.hadoop.mapreduce.lib.output |
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Methods in org.apache.hadoop.mapreduce.lib.output with parameters of type Partitioner | ||
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static
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MapFileOutputFormat.getEntry(org.apache.hadoop.io.MapFile.Reader[] readers,
Partitioner<K,V> partitioner,
K key,
V value)
Get an entry from output generated by this class. |
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. |
Uses of Partitioner in org.apache.hadoop.mapreduce.lib.reduce |
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Methods in org.apache.hadoop.mapreduce.lib.reduce that return types with arguments of type Partitioner | |
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Class<? extends Partitioner<?,?>> |
WrappedReducer.Context.getPartitionerClass()
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