334WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
the session impacts the performance. The service transfers copies of objects across the
network, and these new objects reduce the memory heap that is available for the other
objects.
Memory-to-memory replication is based on the generic DRS. To learn how DRS works, see
the next section.
10.9 Data replication service
The DRS is an internal WebSphere Application Server component that is designed for
generic data replication. Session manager, dynamic cache, and stateful session EJB can all
use the replication service. DRS can increase the availability of your solution by replic ...
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