Avnish Gupta iamavnish
airawat
/ 00-MultipleOutputs
Last active
July 17, 2019 10:29
MultipleOutputs sample program
- A program that demonstrates how to generate an output file for each key
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| Gist | |
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| Motivation | |
| ----------- | |
| The typical mapreduce job creates files with the prefix "part-"..and then the "m" or "r" depending | |
| on whether it is a map or a reduce output, and then the part number. There are scenarios where we | |
| may want to create separate files based on criteria-data keys and/or values. Enter the "MultipleOutputs" | |
| functionality. |