Github user zhonghaihua commented on the pull request:
https://github.com/apache/spark/pull/9483#issuecomment-156810307
Hi @zhichao-li ,thanks for doing this.I got a problem of scanning
partitions slowly,and I apply this patch to my spark version.In my case:
* Before I apply this patch,it takes at least 3 or 4 minutes to scan
partitions.
* After applying this patch,it takes only about 20 seconds at this stage.
I am happy to see it takes effect in my case.It solve my problem.And I
think is it better to add conf to control whether to use this featureï¼
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