Monthly Archives: November 2009

How to use Cascading with Hadoop Streaming

By Nate Murray | Published: November 18, 2009
Last time we talked about how to use a raw MapReduce job in Cascading. Now we are going to up the ante by using Hadoop Streaming as a Flow in Cascading. In this example, we hook a python streaming job into a Cascade. Its pretty easy once you know how to do it: Create a JobConf [...]
Posted in programming | Leave a comment

Interval – a ruby library for musical interval arithmetic

By Nate Murray | Published: November 17, 2009
Interval interval is a tiny library that provides simple musical note pitch and interval arithmetic. It is intended to do one thing: given a pitch add (or subtract) an interval and give the resulting pitch. Observe: p = Interval::Pitch.from_string("c") i = Interval::Interval.from_string("M3") p2 = p + i p2.to_short_name # => "e"   i.to_s # => "Major Third"   i2 = Interval::Interval.from_string("p5") i2.to_s # => "Perfect Fifth"   (p2 [...]
Posted in music, ruby | Leave a comment

Slides for “Introduction to Cascading” Presentation

By Nate Murray | Published: November 13, 2009
This week I gave an introductory presentation to Cascading. These are the slides from that presentation. Intro To Cascading View more documents from Nate Murray.
Posted in programming | Leave a comment