I have a question on running Zeppelin Spark interpreter in a Kerberized
environment.

Spark comes with a runtime conf that allows you to specific the keytab
and principal.

My questions are:
1. When using Livy, does it rely on the same mechanism when starting Spark
2. Whether to use Livy or not, there doesn't seem a way to refresh login
from the specified the principle and keytab. After a while, I need to run
kinit manually to re-login using the principal with the keytab, if the
interpreter needs to be restarted. Is there a better way to address this?

Chen

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