Several registry parameters affect performance for ODBC and LDAP Session Stores exist in the following registry location, to optimize performance for ODBC and LDAP Session Stores (1).
HKEY_LOCAL_MACHINE\SOFTWARE\Netegrity\SiteMinder\CurrentVersion\SessionServer
Two of them are very similar but have small differences: MaxConcurrentDeletes and MaintenanceQueryRowLimit
What is the difference between MaxConcurrentDeletes and MaintenanceQueryRowLimit?
In LDAP, delete is done in 2 steps:
In ODBC, delete is done as one (compound) command: