MapReduce for Idiots

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An overview of how to use MapReduce for normal people.

An overview of how to use MapReduce for normal people.

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  • 1. MapReduce for idiots (like me)
  • 2. You don’t need it (probably)
  • 3. Optimizes out seeks
  • 4. Streaming is simple mapper is print “12345 data”; reducer combines adjacent lines with the same key in bash: ./mapper.php < input.txt | sort | ./reducer.php > output.txt
  • 5. Elastic MapReduce Hadoop without the blood-sacrifices
  • 6. Muhahahahahahahahahaha!