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From ifilonenko <>
Subject [GitHub] spark pull request #21669: [SPARK-23257][K8S] Kerberos Support for Spark on ...
Date Thu, 27 Sep 2018 01:26:21 GMT
Github user ifilonenko commented on a diff in the pull request:
    --- Diff: docs/ ---
    @@ -722,6 +722,62 @@ with encryption, at least.
     The Kerberos login will be periodically renewed using the provided credentials, and new
     tokens for supported will be created.
    +## Secure Interaction with Kubernetes
    +When talking to Hadoop-based services behind Kerberos, it was noted that Spark needs
to obtain delegation tokens
    +so that non-local processes can authenticate. These delegation tokens in Kubernetes are
stored in Secrets that are 
    +shared by the Driver and its Executors. As such, there are three ways of submitting a
kerberos job: 
    --- End diff --
    Thank you for these comments. Done!


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