Originally the MapReduce algorithm was essentially hardwired into the guts of Hadoop’s cluster management infrastructure. It was a package deal: big data pioneers had to take the bitter with the ...

Google introduced the MapReduce algorithm to perform massively parallel processing of very large data sets using clusters of commodity hardware. MapReduce is a core Google technology and key to ...

The general MapReduce concept is simple: The "map" step partitions the data and distributes it to worker processes, which may run on remote hosts. The outputs of the parallelized computations are ...