Github user tgravescs commented on the issue: https://github.com/apache/spark/pull/19227 just to throw my 2 cents in, I agree with Vanzin that its not secure but at the same time there are probably use cases its ok. If people have a standalone cluster they have secured off for only a set of users and they all run under a single user, having access to secure HDFS is still very useful. A true multi-tenant standalone cluster is not a good use case. Personally I think if we want to support that its enough to fix just being kinit'd first and not shipping keytabs around. This used to work back in the early 1.x days. A few users have asked for this in the past, not sure current use case. I don't have a strong opinion on it though either.
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