Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/20169 Let me explain my point here. I am not trying to offend anybody. Spark is becoming more and more complex. Peer review and test cases are the major methods we used for quality control. Spark is an infrastructure software, instead of an application software. We really need to be careful when reviewing the PRs. Nobody's codes are perfect. For example, if I made a change in SHS, I will ping @vanzin for sure, because @vanzin is the original author and the most active committer of SHS. Personally, I am doing my best to review the changes in the SQL. It would be nice if you can ping me or @cloud-fan . Since Spark 2.3 release is the recent focus, the current focus of the whole community is for testing and reviewing the changes of Spark 2.3 release. Regarding this PR, I think we do not need to introduce new parameter `warehouseDir`, which is already contained in `hadoopConf `. Keeping the interface clean is always good, I believe. Please review my follow-up PR: https://github.com/apache/spark/pull/20377
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