Caching overviewEdit online The following summary is taken from the IBM® Redbooks® publication 'Mastering DynaCache in WebSphere® Commerce'. https://www.redbooks.ibm.com/abstracts/sg247393.html Where caching is performedThere are several places where caching is performed.DynaCache technical overviewThink of DynaCache as a sophisticated Java™ Hashtable.Features of DynaCacheDynaCache provides support for caching the returned results from Java™ object calls.Caching servlets and JSPsThe process of caching servlets and JSPs is explained and illustrated.Java objects and the command cacheDynaCache provides support for caching the returned results from Java™ object calls. DynaCache provides a very straightforward mechanism that allows you to cache the results from these Java™ command objects; it is called command caching.Data replication serviceThe Data Replication Service (DRS) is an internal, proprietary component of the WebSphere Application Server. The DRS is used by other components to move data from node to node within a network of clustered application servers.Parent topic: Tuning WebSphere Application Server Cluster with Caching