Aihua Xu created HIVE-20053:
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Summary: Separate Hive Security from SessionState
Key: HIVE-20053
URL: https://issues.apache.org/jira/browse/HIVE-20053
Project: Hive
Issue Type: Improvement
Components: Security
Affects Versions: 3.0.0
Reporter: Aihua Xu
Right now we have Hive security classes associated with SessionState. When
HiveServer2 starts, the service session will initialize it and later each
session will need to reinitialize it. Since such security configuration is on
service level, we should move security info out out SessionState and make it
Singleton so we can initialize it once.
And also, since SessionState.setupAuth() - to setup authentication and
authorization is not synchronized, we could run into concurrency issue if
queries or meta operations are run within same session.
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