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HUGUK #4 - Cascalog
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HUGUK #4 - Cascalog

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Slides from my lightning talk on Cascalog at the 4th Hadoop Users Group UK meeting, 3rd June 2010

Slides from my lightning talk on Cascalog at the 4th Hadoop Users Group UK meeting, 3rd June 2010

Published in: Technology, News & Politics

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  • JVM - full power of Java
    Datalog - Logic programming language



  • Transcript

    • 1. Cascalog A Clojure-based query language for Hadoop Gavin Heavyside (@_hgavin) HUGUK June 2010
    • 2. Cascalog • Clojure based • Inspired by Datalog • Uses Cascading to run MapReduce jobs • By Nathan Marz of Backtype
    • 3. Features • Functions, Filters, Aggregators • Joins, Combiners, Sorting • Cascading “Taps” to query HDFS/Files etc • Cascading interop • Full power of Clojure
    • 4. Demo • Fingers Crossed
    • 5. Find out more • http://nathanmarz.com/blog • http://github.com/nathanmarz/cascalog • cascalog-user Google group • @nathanmarz

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