Hadoop

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Hadoop is distributed data processing framework for processing large amounts of data (Big Data) over commodity servers. Inspired by Google File System, and MapReduce. Facebook has the largest Hadoop cluster now. Yahoo also uses Hadoop. Hadoop is written in Java.


Usage Justification

Positives

  • Big Data capabilities

Negatives

  • Single node performance is merely adequate
  • Front-end access is immature relative to available RDMS tools
  • MapReduce is more complex than SQL

Read more: http://redmonk.com/sogrady/2011/01/13/apache-hadoop/#ixzz20Cnsme8B

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