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Clustered session support

A clustered environment supports load balancing, where the workload is distributed among the application servers that compose the cluster.

If one of the servers in the cluster fails, it is possible for the request to reroute to another server in the cluster. If we enable distributed sessions support, the new server can access session data from the database or another instance of the application server. Retrieve the session data only if a new server has access to an external location from which it can retrieve the session.

In a clustered environment:


Related tasks

  • Task overview: Managing HTTP sessions

  • HTTP sessions: Resources for learning