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Sets the optimal size for the client-side object cache in bytes. The default value is
This parameter increases the client-side object cache size. If the memory occupied by the objects currently in the cache exceeds the high watermark (maximum object cache size), then the cache automatically begins to free unmarked objects that have a pin count of zero. The cache continues freeing those objects until memory use in the cache reaches the optimal size, or until it runs out of objects eligible for freeing. This parameter should be set to an appropriate value so that object cache can accommodate all the fetched object instance from Oracle Database 10g. This is property is useful in performance tuning for accessing an Oracle Database 10g object instance.