[jboss-jira] [JBoss JIRA] Commented: (JBCACHE-674) PojoCache to handle simultaneous pojo attach on the clustering nodes

[Ben Wang (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBCACHE-674?page=comments#action_12339549 ] 
            
Ben Wang commented on JBCACHE-674:
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One possible solution is when cacheB attach is replicated to cacheA, it will trigger a proper higher level detach(oldValue) first. In this sense, the detach will repopulate the in-memory copy and also detach the interceptors. Again, this will have to be configurable since this can be expensive and most of the use cases focus on the passive update instead of active one.

> PojoCache to handle simultaneous pojo attach on the clustering nodes
> --------------------------------------------------------------------
>
>                 Key: JBCACHE-674
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-674
>             Project: JBoss Cache
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: PojoCache
>            Reporter: Ben Wang
>         Assigned To: Ben Wang
>             Fix For: POJOCache
>
>   Original Estimate: 1 week
>  Remaining Estimate: 1 week
>
> Currently we don't handle cases with active attachment of pojo on all clustering nodes. For example,
> cacheA.attach("1", pojo1);
> cacheB.attach("1", pojo2);
> pojo2 will overwrite pojo1 but pojo1 will still have cache interceptor attached to it. So solution will have to be some sort of check dirty mechanism when any POJO operation is called. But this will introduce more overheads. 
> Still need to gather more use case for this.

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