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Post date: Oct 03, 2012 1:5:54 PM
Greenplum Database does have a Postgres heritage; however, Greenplum Database forked from Postgres some time ago and has devoted years of research and development efforts to build several industry-leading database and analytics features in the Greenplum kernel. Greenplum has industry leading data-loading capabilities and provides various innovative features like Polymorphic Data Storage™, MPP Scatter/Gather Streaming™, Greenplum MapReduce, and Multilevel
Fault Tolerance. Please visit http://www.greenplum.com/technology/architecture to learn more about Greenplum architecture.