Policy Server Guides › Policy Server Administration Guide › Cache Management › Cache Management Overview

Cache Management Overview

SiteMinder provides several caches that can be configured to maintain copies of recently accessed data (for example, user authorizations) to improve system performance. These caches should be configured to suit the nature of the data in your environment, but may also require periodic manual flushing.

SiteMinder deployments can be configured to maintain the following cache on the Policy Server:

• The User Authorization Cache stores user distinguished names (DNs) based on the user portion of policies and includes the users' group membership.

SiteMinder also maintains an Agent Cache on each a SiteMinder Agent machine. The Agent Cache has two components:

• The Agent Resource Cache stores a record of accessed resources that are protected by various realms. This cache speeds up Agent to Policy Server communication, since the Agent knows about resources for which it has already processed requests.
• The Agent User Cache maintains users' encrypted session tickets. It acts as a session cache by storing user, realm, and resource information. Entries in this cache are invalidated based on timeouts established by the realms a user accesses.