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public static interface InputSampler.Sampler<K,V>
Interface to sample using an InputFormat
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Method Summary | |
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K[] |
getSample(org.apache.hadoop.mapred.InputFormat<K,V> inf,
org.apache.hadoop.mapred.JobConf job)
For a given job, collect and return a subset of the keys from the input data. |
Method Detail |
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K[] getSample(org.apache.hadoop.mapred.InputFormat<K,V> inf, org.apache.hadoop.mapred.JobConf job) throws java.io.IOException
java.io.IOException
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