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Measures reported by SmAgentCacheTest
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:
- 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 SiteMinder Agent machine. The Agent Cache has two components:
- 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.
- 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.
The SmAgentCacheTest monitors the performance of the Agent Cache.
| Measurement |
Description |
Measurement
Unit |
Interpretation |
| Res_cache_hits_pct |
The percentage of times the resource cache is accessed by this Web agent |
Percent |
The value of this measure is indicative of how frequently SiteMinder uses cached resources. Higher the value of this measure, better will be the system performance. A very low value of this measure on the other hand, could cause slow-downs in the Web agent to Policy server communication. |
| Sess_cache_hits_pct |
The percentage of times this Web agent accessed the user session cache |
Percent |
A high value of this measure speeds up resource requests, whereas a low value slackens its pace.
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