O What is MapReduce Origin from Google, [OSDI 04 A Simple programming mode Functional model For large-scale data processing Exploits large set of commodity computers Executes process in distributed manner Offers high availabilityWhat is MapReduce 2 • Origin from Google, [OSDI’04] • A simple programming model • Functional model • For large-scale data processing – Exploits large set of commodity computers – Executes process in distributed manner – Offers high availability