public static class InputSampler.SplitSampler<K,V> extends Object implements InputSampler.Sampler<K,V>
| Modifier and Type | Field and Description |
|---|---|
protected int |
maxSplitsSampled |
protected int |
numSamples |
| Constructor and Description |
|---|
SplitSampler(int numSamples)
Create a SplitSampler sampling all splits.
|
SplitSampler(int numSamples,
int maxSplitsSampled)
Create a new SplitSampler.
|
| Modifier and Type | Method and Description |
|---|---|
K[] |
getSample(InputFormat<K,V> inf,
Job job)
From each split sampled, take the first numSamples / numSplits records.
|
protected final int numSamples
protected final int maxSplitsSampled
public SplitSampler(int numSamples)
numSamples - Total number of samples to obtain from all selected
splits.public SplitSampler(int numSamples,
int maxSplitsSampled)
numSamples - Total number of samples to obtain from all selected
splits.maxSplitsSampled - The maximum number of splits to examine.public K[] getSample(InputFormat<K,V> inf, Job job) throws IOException, InterruptedException
getSample in interface InputSampler.Sampler<K,V>IOExceptionInterruptedExceptionCopyright © 2008–2022 Apache Software Foundation. All rights reserved.