Yahoo Interview Question
Software Engineer / DevelopersCountry: United States
Interview Type: Phone Interview
use external sort. It's primary purpose is to sort large data sets that don't fit in the main memory. Following is the excellent lecture by sahi Simpson. MIT prof
video.google.com/videoplay?docid=-978892635109400080
map reduce cannot be used to sort. It can be used to sort if you are planning to use counting..however if there are a billion distinct numbers then this approach wont work as well..
can you be bit more clear?
- Anonymous December 10, 2011