[jboss-jira] [JBoss JIRA] Updated: (JBCLUSTER-14) http session failover using single shared DB with cache loader

[Brian Stansberry (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBCLUSTER-14?page=all ]

Brian Stansberry updated JBCLUSTER-14:
--------------------------------------

    Fix Version/s: Q2Y7
                       (was: Q3Y6)

> http session failover using single shared DB with cache loader
> --------------------------------------------------------------
>
>                 Key: JBCLUSTER-14
>                 URL: http://jira.jboss.com/jira/browse/JBCLUSTER-14
>             Project: JBoss Clustering
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>            Reporter: Ben Wang
>         Assigned To: Brian Stansberry
>            Priority: Minor
>             Fix For: Q2Y7
>
>   Original Estimate: 8 weeks
>  Remaining Estimate: 8 weeks
>
> To achieve http session failover, alternatively we can use a single shared DB with CacheLoader for multiple cache instances. All the session states will be persisted to the shared DB. When failing over, it will simply retrieve from the DB if it is not there yet.
> This approach can scale very well. But it will be slower since every session setAttribute operation involves trip to DB. JBossCache already supports this semantics now. All we need is someone to verify it and benchmark it.

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