MapReduce has been proven as a technique for high-scale data analysis by Internet leaders such as Google and Yahoo. Greenplum gives enterprises the best of both worlds—MapReduce for programmers and SQL for DBAs—and will execute both MapReduce and SQL directly within Greenplum’s Parallel Dataflow Engine (Figure 10), which is at the heart of the database. Greenplum MapReduce enables programmers to run analytics against petabyte-scale datasets stored in and outside of Greenplum Database. Greenplum MapReduce brings the benefits of a growing standard programming model to the reliability and familiarity of the relational database. The new capability expands Greenplum Database to.
