Github user ScrapCodes commented on the pull request:
https://github.com/apache/spark/pull/2093#issuecomment-53377163
Hey so I think heapq.nsmallest does the same thing. It should be correct to
use it, quick look at its source, I was doubtful about its performance since it
has a sort call in each nsmallest. For larger N "I think", MaxHeapQ will
perform better. What do you think ?
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