接口 | 说明 |
---|---|
InputSampler.Sampler<K,V> |
Interface to sample using an
InputFormat . |
类 | 说明 |
---|---|
BinaryPartitioner<V> |
Partition
BinaryComparable keys using a configurable part of
the bytes array returned by BinaryComparable.getBytes() . |
HashPartitioner<K,V> |
Partition keys by their
Object.hashCode() . |
InputSampler<K,V> |
Utility for collecting samples and writing a partition file for
TotalOrderPartitioner . |
InputSampler.IntervalSampler<K,V> |
Sample from s splits at regular intervals.
|
InputSampler.RandomSampler<K,V> |
Sample from random points in the input.
|
InputSampler.SplitSampler<K,V> |
Samples the first n records from s splits.
|
KeyFieldBasedComparator<K,V> |
This comparator implementation provides a subset of the features provided
by the Unix/GNU Sort.
|
KeyFieldBasedPartitioner<K2,V2> |
Defines a way to partition keys based on certain key fields (also see
KeyFieldBasedComparator . |
TotalOrderPartitioner<K extends WritableComparable<?>,V> |
Partitioner effecting a total order by reading split points from
an externally generated source.
|
Copyright © 2009 The Apache Software Foundation