程序包 | 说明 |
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org.apache.hadoop.mapred |
A software framework for easily writing applications which process vast
amounts of data (multi-terabyte data-sets) parallelly on large clusters
(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
manner.
|
org.apache.hadoop.mapred.lib |
Library of generally useful mappers, reducers, and partitioners.
|
类和说明 |
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CombineFileSplit
A sub-collection of input files.
|
类和说明 |
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CombineFileSplit
A sub-collection of input files.
|
InputSampler.Sampler
Interface to sample using an
InputFormat . |
MultipleOutputFormat
This abstract class extends the FileOutputFormat, allowing to write the
output data to different output files.
|
Copyright © 2009 The Apache Software Foundation