| Package | Description |
|---|---|
| org.apache.hadoop.mapred.lib | |
| org.apache.hadoop.mapreduce.lib.partition |
| Modifier and Type | Interface and Description |
|---|---|
static interface |
InputSampler.Sampler<K,V>
Interface to sample using an
InputFormat. |
| Modifier and Type | Class and Description |
|---|---|
static class |
InputSampler.IntervalSampler<K,V>
Sample from s splits at regular intervals.
|
static class |
InputSampler.RandomSampler<K,V>
Sample from random points in the input.
|
static class |
InputSampler.SplitSampler<K,V>
Samples the first n records from s splits.
|
| Modifier and Type | Method and Description |
|---|---|
static <K,V> void |
InputSampler.writePartitionFile(Job job,
InputSampler.Sampler<K,V> sampler)
Write a partition file for the given job, using the Sampler provided.
|
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