I've written an application that uses a number of singleton classes to for
things like database access, etc. I've also put some application state in
these singletons. (For example, if someone updates a particular table, I
set a time field indicating when the data was last updated and servlets can
use the time field to determine whether to refresh data. This is just one
example)
Am I hosed if I go to a clustered environment? It seems like each app server
will have its own instance of the singleton classes.
Is there a way to store application state short of writing it to a common
data store that is accessed by the singletons?
TIA,
Randy
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