[jboss-dev-forums] [Design of Clustering on JBoss (Clusters/JBoss)] - Re: Handling cluster state when network partitions occur

[manik.surtani@jboss.com]

"galder.zamarreno at jboss.com" wrote : (1) Re: Merget state for Pojo. Callback seems most reasonable option here. Maybe we could instruct users to implement a method that looks like:
  | 
  | void merge(Object o)
  | 

I think merging is nasty, no matter whichever way you slice it.  Even if a call back is used, and even if time stamps are recorded, you still have clock sync issues, plus the problem where some nodes have used stale data as input to other transactions creating a GIGO situation when the partition heals.

There may be a few specific applications where merging may work, but I can't see how we can devise a generic solution around merging.

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