Use the cache control parameters to adjust and improve the performance of the cache.
Virtual member manager caches the query results from repositories (for example, an LDAP server).
You need to monitor the status of the cache and makes adjustments to the cache control parameters to improve the performance of the cache. Because the WebSphere Dynamic Cache (DynaCache) is used as the implementation of the virtual member manager cache, you can utilize the tools and services provided by WebSphere DynaCache to monitor the virtual member manager cache.