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Easy Map/Reduce with Hadoop and Ruby. Also see for examples.
Ruby Java
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Mandy - Simplified Hadoop distribution for Ruby code

Mandy hides the differences and complexities between running map/reduce tasks locally or distributed or in test environments.

It provides a simple DSL to define new jobs for distribution. See examples/word_count.rb for a demo of some functionality. Run the word count example locally with...

mandy-local examples/word_count.rb examples/alice.txt examples/output

Mandy more examples can be found at

We are very light on documentation at the moment we are aware of the problem and are working hard to rectify it.

Mandy is licensed under the MIT Licence, please see LICENCE for further information.

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