b4d0db80a0
Use `Future.zip` instead of `Future.flatMap`(for-loop). `zip` implies these two Futures will run concurrently, while `flatMap` usually means one Future depends on the other one. Author: zsxwing <zsxwing@gmail.com> Closes #3721 from zsxwing/SPARK-4873 and squashes the following commits: 46a2cd9 [zsxwing] Use Future.zip instead of Future.flatMap(for-loop) |
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