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Posted to issues@kylin.apache.org by "Congling Xia (Jira)" <ji...@apache.org> on 2020/03/10 15:34:00 UTC

[jira] [Created] (KYLIN-4423) use spring session to support clustered sessions

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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