Github user jerryshao closed the pull request at:
https://github.com/apache/spark/pull/17755
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GitHub user jerryshao opened a pull request:
https://github.com/apache/spark/pull/17755
[SPARK-20239][CORE][2.1-backport] Improve HistoryServer's ACL mechanism
Current SHS (Spark History Server) has two different ACLs:
* ACL of base URL, it is controlled by "spark.acls.enabl
