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View Code? Open in Web Editor NEWEasy Map/Reduce with Hadoop and Ruby. Also see http://github.com/forward/mandy-lab for examples.
Home Page: mandyruby.pbworks.com
License: Other
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mandy's Issues
combiner and partitioner?
I cannot seem to find how write a combiner and partitioner. No support yet?
Missing libxml-ruby gem dependency?
I've just tried out Mandy and ran into a start up issue that I fixed by installing what I think might be a missing dependency. For reference I was running on OS X with a brand new blank gemset created using rvm and running ree-1.8.7-2010.01.
⚡ gem install mandy
Building native extensions. This could take a while...
Successfully installed json-1.4.6
Successfully installed mandy-0.5.9
2 gems installed
Trying to run the examples throws the following exception:
⚡ mandy-local examples/word_count.rb examples/alice.txt output
/Users/garethr/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- xml/libxml (LoadError)
.....
I then installed the libxml-ruby gem
⚡ gem install libxml-ruby
Building native extensions. This could take a while...
Successfully installed libxml-ruby-1.1.4
1 gem installed
And the example ran successfully.
⚡ mandy-local examples/word_count.rb examples/alice.txt output
Running Word Count...
reporter:status:Processing line: Project Gutenberg's Alice's Adventures in Wonderland, by Lewis Carroll
reporter:counter:Word counting,No. of words processed,1
.....
Mandy looks great by the way.
Doesn's seem to work on Ruby 1.9.2
Mandy does not seem to work under on Ruby 1.9.2 I get this error. Under 1.8.7 it's fine.
/Users/jfrolich/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': no such file to load -- xml/libxml (LoadError)
from /Users/jfrolich/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/jfrolich/.rvm/gems/ruby-1.9.2-p180/gems/mandy-0.5.26/lib/mandy/ruby-hbase.rb:6:in `<top (required)>'
from /Users/jfrolich/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/jfrolich/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/jfrolich/.rvm/gems/ruby-1.9.2-p180/gems/mandy-0.5.26/lib/mandy.rb:32:in `block in <top (required)>'
from /Users/jfrolich/.rvm/gems/ruby-1.9.2-p180/gems/mandy-0.5.26/lib/mandy.rb:9:in `each'
from /Users/jfrolich/.rvm/gems/ruby-1.9.2-p180/gems/mandy-0.5.26/lib/mandy.rb:9:in `<top (required)>'
from /Users/jfrolich/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:58:in `require'
from /Users/jfrolich/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:58:in `rescue in require'
from /Users/jfrolich/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:35:in `require'
from square.rb:2:in `<main>'
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