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Scaling Big Data Mining Infrastructure at Twitter

I’m almost always enjoying the lessons learned-style presentations from Twitter’s people. The slides below, by Jimmy Lin and Dmitriy Ryaboy, have been used at HadoopSummit. Besides the technical and practical details, there are two things that I really like:

DJ Patil: “It’s impossible to overstress this: 80% of the work in any data project is in cleaning the data”

and then the reality check:

  1. Your boss says something vague
  2. You think very hard on how to move the needle
  3. Where’s the data?
  4. What’s in this dataset?
  5. What’s all the f#$#$ crap in the data?
  6. Clean the data
  7. Run some off-the-shelf data mining algorithm
  8. Productionize, act on the insight
  9. Rinse, repeat

Enjoy!

Original title and link: Scaling Big Data Mining Infrastructure at Twitter (NoSQL database©myNoSQL)