Github user shivaram commented on the pull request:
https://github.com/apache/spark/pull/1697#issuecomment-50844818
I switched to using Guava's ordering function now and added another unit
test for that. I plan to do a microbenchmark to see how long it takes to get
top 5 from a list of Longs.
@kayousterhout -- Is there a way to benchmark the scheduler to see if a
change introduces any performance regressions ?
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