DistOS 2019F 2019-11-06

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Readings

MapReduce & BigTable


Discussion Questions

MapReduce

  • What is a map operation? What is reduce? How do they relate to functional programming?
  • What kind of tasks was mapreduce designed for?
  • How does mapreduce scale? How does it deal with failing nodes?
  • How does mapreduce deal with stragglers?

BigTable

  • What problem(s) is bigtable designed for?
  • Is BigTable a relational database?
  • How is data structured in BigTable?
  • How does BigTable relate to GFS?

Other

  • Do you think MapReduce and BigTable are still used at Google? Why or why not?
  • What if you aren't at Google? Can you use the same kinds of technology?
  • Do you notice any design patterns in what Google built?
  • Other thoughts and questions?
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