How do I make embedded OC4J use IBM Db2 schema mapping
I am using JDeveloper 903 with a datasource which happens to be of type IBM DB2. Whenever, I try to deploy and test an entity bean from withinn JDeveloper, the embedded OC4J seems to be using a different database schema mapping scheme than what is required by IBM DB2. As a result of this OC4J tries to autocreate tables with wrong syntax and obviously fails. Can somebody tell me how do I get things setup correctly.
TIA
Vimal
Magnus,
The optimizations related to efficiently supporting overflow-style caching are not included in Coherence 3.5. I created COH-2338 and COH-2339 to track the progress of the related issues.
There are four different implementations of the PartitionAwareBackingMap for Coherence 3.5:
* PartitionSplittingBackingMap is the simplest implementation that simply partitions data across a number of backing maps; it is not observable.
* ObservableSplittingBackingMap is the observable implementation; it extends WrapperObservableMap and delegates to (wraps) a PartitionSplittingBackingMap.
* ObservableSplittingBackingCache is an extension to the ObservableSplittingBackingMap that knows how to manage ConfigurableCacheMap instances as the underlying per-partition backing maps; in other words, it can spread out and coalesce a configured amount of memory (etc.) across all the actual backing maps.
* ReadWriteSplittingBackingMap is an extension of the ReadWriteBackingMap that is partition-aware.
The DefaultConfigurableCacheFactory currently only uses the ObservableSplittingBackingCache and the ReadWriteSplittingBackingMap; COH-2338 relates to the request for improvement to add support for the other two implementations as well. Additionally, optimizations to load balancing (where overflow caching tends to get bogged down by many small I/O operations) will be important; those are tracked by COH-2339.
Peace,
Cameron Purdy
Oracle Coherence
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