How to “Crunch” Your Data Stored in HDFS

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Olivier Mallassi from Octo Consulting writes that HDFS stores huge amount of data, but storing it is worthless if you cannot analyze it.

There are two high-level languages that have been developed to work on top of Hadoop:

  • Pig which provides a specific script language. Unfortunately, I do not have enough time to investigate this further for the moment. I will try to do so in a near future.
  • Hive which provides a limited SQL-like language (for instance, Date type is not supported…).

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