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Posted to reviews@spark.apache.org by "pan3793 (via GitHub)" <gi...@apache.org> on 2023/05/30 13:07:43 UTC

[GitHub] [spark] pan3793 commented on pull request #41384: [SPARK-43297][ML]Use scala parallel collection ParVector to accelarate LocalKMeans.

pan3793 commented on PR #41384:
URL: https://github.com/apache/spark/pull/41384#issuecomment-1568405597

   This change causes the Driver to use `scala.concurrent.ExecutionContext.global` for calculation, is it reasonable to occupy more cores than `spark.driver.cores`?


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