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Removed interface org.apache.hadoop.mapred.lib.InputSampler.Sampler.
Added interface org.apache.hadoop.mapred.lib.InputSampler.Sampler.
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Object[] getSample(InputFormat, |
Change in return type from K[] to Object[].Change in signature from ( InputFormat) to (InputFormat, JobConf). |
Randomize the split order then take the specified number of keys from each split sampled where each key is selected with the specified probability and possibly replaced by a subsequently selected key when the quota of keys from that split is satisfied. |
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