Congling Xia created KYLIN-4423:
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Summary: use spring session to support clustered sessions
Key: KYLIN-4423
URL: https://issues.apache.org/jira/browse/KYLIN-4423
Project: Kylin
Issue Type: New Feature
Reporter: Congling Xia
Assignee: Congling Xia
When routing different APIs to different kylin instances, user may encounter
permission problems since there are separate sessions.
To share the sessions, one can config tomcat cluster to replicate all sessions
to all instances. It's a HA solution for Tomcat, and is rarely used in recent
years. Another idea is to store sessions in shared external storages like
Redis.
We choose the latter solution. Spring Session is used to help manage user
sessions and some work has been done to make it pluggable.
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