Github user vanzin commented on the issue: https://github.com/apache/spark/pull/18519 > I also added support for the user to pass a ticket-granting ticket instead of a key tab It'd be better to avoid adding new features after the patch has been reviewed and is mostly ready for checking in. For example, you added a feature that is not necessary. `UserGroupInformation` automatically loads the kerberos ticket cache from its default location, or you can set `KRB5CCNAME` in your environment if you want to use a custom location.
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