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FW: Application Clustering
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FW: Application Clustering


  • Subject: FW: Application Clustering
  • From: "Karl Gretton" <email@hidden>
  • Date: Mon, 10 Nov 2003 16:22:01 -0500

Hi,



We are moving an application to a cluster of Xserve's running WO 5.2.2 under
Panther Server.  While WO does some application server / instance level load
balancing, what facilities are available in the event of the failure of an
instance?



Is there a session level failover API or some automatic functionality to
maintain user state?



Also, we have extensive caching taking place within the application and also
use shared editing contexts.  Are there any automatic facilities for
synchronizing cached objects or objects in a shared editing context?  If
not, does anyone have any particular thoughts on the best way to achieve
this within WO?



In the past I have used EJB facilities (Message Beans) or simple SOAP calls
to registered servers but this seems like a lot of work.  Other app servers
such as WebLogic and WebSphere have APIs for handling both of these
features.



Any thoughts would be welcome.


Regards,



Karl
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