The default size of the user authorization cache is 10 MB. You can estimate the amount of space the user authorization cache requires and use the Policy Server Management Console to adjust the default size.
To estimate the size of the user authorization cache
expected_users * number_of_policies_per_session = entries
Specifies the total number of users authenticating to the applications SiteMinder is protecting.
Specifies the average number of SiteMinder policies that apply to a user during the session.
Note: Each SiteMinder policy has the potential to enter a unique entry into the user authorization cache.
Specifies the number of cache entries authorizations can create.
(entries * .000062) + 1
Note: .000062 represents the approximate size of a cache entry in MB.
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