Thursday, December 22, 2011

Facts about Hadoop (Source TDWI)

  • Hadoop is an ecosystem, not a single product.

  • HDFS is a file system, not a DBMS.

  • MapReduce provides control for analytics, not analytics per se.

  • Hive resembles SQL, but is not standard SQL.

  • Hadoop is about data diversity, not just data volume.

  • Hadoop is a complement of BI and DW—rarely a replacement.

  • Hadoop enables many types of Analytics, not just Web Analytics.

These points are from TDWI report.

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