The heart of Apache Hadoop. A software framework for easily writing applications which process vast amounts of data (multi-terabyte datasets) in-parallel on large clusters (thousands of nodes) of commodity hardware in a reliable, fault-tolerant manner. 

Learn more

First released 2004
Developed by Google
Latest stable version MapReduce 2
Open-source Yes
Used by Google, Amazon, Microsoft

Development by

Sign up for updates
straight to your inbox