Updated: Google, nearly six years since it first applied for it, has finally received a patent for its MapReduce parallel programming model. The question now is how this will affect the various products and projects that utilize MapReduce. If Google is feeling litigious, every database vendor leveraging MapReduce capabilities – a list that includes Aster Data Systems, Greenplum and Teradata — could be in trouble, as could Apache’s MapReduce-inspired Hadoop project. Hadoop is a critical piece of Yahoo’s web infrastructure, is the basis of Cloudera’s business model, and is the foundation of products like Amazon’s Elastic MapReduce and IBM’s M2 data-processing platform.
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