Hadoop Security by Ben Spivey & Joey Echeverria

Author:Ben Spivey & Joey Echeverria
Language: eng
Format: epub
Publisher: O'Reilly Media, Inc.
Published: 2015-07-14T16:00:00+00:00

Tip

Using WITH GRANT OPTION is a great way to ease the administration burden on a global SQL administrator. A common example is to create a Hive database for a given line of business and delegate administrative privileges to a database-specific admin role. This gives the line of business the flexibility to manage privileges to their own data. To determine if a role has this option, use SHOW GRANT ROLE role_name and look at the column grant_option.

In Example 7-14, the commands are executed using the beeline CLI for HiveServer2, but they can also be run from within the impala-shell. Both components utilize the same Sentry service and thus the same Sentry policies, so changes made from one component are immediately reflected in the other. Sentry authorization decisions are not cached by the individual components because of the security ramifications of doing that.

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