Big Data SQL and Kerberos Frequently Asked Questions (FAQ)
(Doc ID 2083960.1)
Last updated on NOVEMBER 12, 2019
Applies to:Oracle Big Data SQL - Version 2.0 and later
This document provides an FAQ on how Oracle Big Data SQL (BDS) and Kerberos work together.
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In this Document
|Questions and Answers|
|Do Oracle Big Data SQL queries run on the Hadoop cluster as the owner of the Oracle Database process?|
|What about a ticket for each BDS server process running on the BDA?|
|Where is the documentation on how to enable BDA access to a Kerberized Cluster?|
|Is it ok to run a cron job to run 'kinit' on the BDA?|
|When there is no ticket for BDS on the BDA will queries automatically be transferred to quarantine?|
|Does BDS on the BDA read any data from HDFS if the service does not have a ticket?|
|How are Kerberos tickets used on Exadata?|
|What about the case of connecting via Beeline?|
|If Big Data SQL queries fail with any kind of "No valid credentials provided" error, even if Kerberos tickets seem valid, is there a way to check the Kerberos Environment Variables?|
|Where is the documentation on how to secure Big Data SQL with a Kerberized Cluster?|
|Are there any related MOS notes to check for additional information?|