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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/02/24 03:12:35 UTC
[GitHub] [spark] zhengruifeng commented on issue #27600: [MINOR][ML] ML
cleanup
zhengruifeng commented on issue #27600: [MINOR][ML] ML cleanup
URL: https://github.com/apache/spark/pull/27600#issuecomment-590154116
@srowen I think converting `.view` to `.iterator` in ALS will not hur performance, since they are used in `mapPartitions` which need a `Iterator` as output, in current impl, I think the `IndexedSeqView` will be convertt to `Iterator` implicitly
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