10-601 Big Data

From Cohen Courses
Revision as of 17:54, 3 December 2013 by Wcohen (talk | contribs) (Created page with "This a lecture used in the Syllabus for Machine Learning 10-601 === Slides === * [http://www.cs.cmu.edu/~wcohen/10-601/bigdata-nb.pptx Slides in PowerPoint]. === Readin...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigationJump to search

This a lecture used in the Syllabus for Machine Learning 10-601

Slides

Readings

  • None

Summary

You should know:

  • Why locality is important in working with large data
  • What the relative costs of operations are for accessing disk, network, and memory
  • What the Hadoop file system (HFS) is
  • What the stages of Map-Reduce are: map, shuffle, and reduce
  • Why combiners are often important in Map-Reduce
  • What sort of tasks Map-Reduce is well-suited for, and what it's not well-suited for
  • In outline, how Naive Bayes, or some other counting task, could be implemented on map-reduce