watch this thread folks.

@Eugene Koifman<mailto:eugene.koif...@workday.com> if you recall this is the 
same question I was asking you earlier.

-Mayank

________________________________
From: zhangliyun <kelly...@126.com>
Sent: Monday, November 4, 2019 5:21 PM
To: Spark Dev List <dev@spark.apache.org>; u...@spark.apache.org 
<u...@spark.apache.org>
Subject: A question about skew join hint


Hi all:
  i saw skewed join hint optimization in  
https://docs.azuredatabricks.net/delta/join-performance/skew-join.html.

it  is a great feature to help users to avoid the problem brought from skewed 
data. My question
1. which version we will have this ? i have not found the feature in the master 
branch by key word "+SKEW"
2. the article is under Documentation -> Delta Lake->  Optimizations->  
Optimize Join Performance -> Skew Join Optimization,
   is this feature  only in delta lake?


Best Regards
Kelly  Zhang




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