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I am referring to the Combine step mentioned on the Hadoop wiki. I have been unable to find a reference to it in the AWS documentation, and I'd like to utilize this step.

greedybuddha
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Josh Diehl
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1 Answers1

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The documentation for Combiner will be in the Apache documentation and not in the AWS documentation. Amazon Elastic MapReduce supports 0.18.3 and 0.20.2 versions of Hadoop with custom patches. Apache MR Tutorial has reference to how the combiner function should be used. Call the Job.setCombinerClass() to set the combiner class.

Praveen Sripati
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