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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/05/18 20:39:40 UTC
[GitHub] [spark] dongjoon-hyun commented on issue #24535:
[SPARK-27640][SQL|SS]Avoid duplicate lookups for datasource through provider
dongjoon-hyun commented on issue #24535: [SPARK-27640][SQL|SS]Avoid duplicate lookups for datasource through provider
URL: https://github.com/apache/spark/pull/24535#issuecomment-493705684
Thank you for ping me, @beliefer . However, the reviewers' comment are consistent. And, I also agree that. AFAIK, you didn't provide more evidences for your claim about the performance problem. Without evidence, we can not make a progress. Could you investigate more and give us some numbers for your claim?
> you know that it includes some Java SPI, traversing and reflection.
> I think there exists a little performance problems.
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