Process: Session-Based Charging

Definition

This group includes all the system parameters concerning the session-based charging process.

Setting Up or Viewing System Parameters

You can set up or view the following system parameters that are available for different instance types in the running SAP CC Core Server system.

Parameter Definition
CLEANUP_SCHEDULER_ENABLED The enablement or disablement of the cleanup scheduler related to prerating/postrating
CLEANUP_SCHEDULER_MAX_THROUGHPUT The maximum number of subscriptions per second on which the cleanup process can be applied by each rater instance
CLEANUP_SCHEDULER_RECURRENCE The recurrence period of the cleanup scheduler
CLEANUP_THREAD_COUNT The number of threads reserved for performing the cleanup process into each rater instance
RENEW_RESERVATION_RESEND_ATTEMPTS The maximum number of attempts to resend a renew reservation notification if it was not acknowledged
RENEW_RESERVATION_RESEND_INTERVAL The minimum time interval (in seconds) between two attempts to send a renew reservation notification
RENEW_RESERVATION_RESEND_THREAD_COUNT The number of processing threads dedicated to resending renew reservation notifications
RENEW_RESERVATION_SEND_TIMEOUT The maximum time (in ms) to be used by the rater instance for sending the renew reservation notification
SESSION_AVG_ID_SIZE The average memory size allocated for one rating session ID
SESSION_AVG_NB_PER_HISTORY The average number of sessions per subscriber
SESSION_AVG_OBJECT_SIZE The average memory size allocated for one charging session
SESSION_MEMORY_INSTANCES The maximum number of subcaches for the session cache
SESSION_MEMORY_SIZE The memory reserved for charging sessions into each rater instance
SESSION_SERIALIZATION_FORMAT The format of the session data serialization
TRANSACTIONS_TO_CANCEL_IN_RESULT_ENABLED The enablement or disablement of the computation of transactions to cancel during session-based charging

Notes

  • Use the set command of the SAP CC Admin+ user interface to change the parameter values. The immediate change may be not possible and a restart is necessary. Consult the details for each parameter.
  • Use the get command to retrieve the parameter values manually.
  • Use the SAP CC Config Tool user interface to set up a complete or partial list of system parameters (restart needed).

Viewing and Inspecting Indicators

You can retrieve the runtime values of the following indicators in your running SAP CC Core Server system:

Indicator Definition
CLEANUP_LAST_TRIGGER The last date when the cleanup was performed
CLEANUP_SCHEDULER_LAST_TRIGGER The last date when the cleanup was triggered by the scheduler
SESSION_CONSISTENCY Do not use this indicator, except under SAP Support Team supervision or under specific recommendation provided within the SAP CC documentation
SESSION_COUNT The number of sessions currently stored in the session cache
SESSION_FREE_MEMORY The remaining free memory of the charging session cache
SESSION_HISTORY_CONSISTENCY Do not use this indicator, except under SAP Support Team supervision or under specific recommendation provided within the SAP CC documentation
SESSION_HISTORY_COUNT The number of session histories currently stored in the session cache
SESSION_HISTORY_FREE_MEMORY The remaining free memory of the session history cache
SESSION_HISTORY_MEMORY_SIZE The memory reserved for charging session histories into each rater instance
SESSION_HISTORY_STATUS The status of the session history cache
SESSION_STATUS The status of the session cache

Note

Use the get command of the SAP CC Admin+ user interface to retrieve the indicator values manually.

Recommendation

SAP recommends that you implement and use SAP Solution Manager in combination with the CA Introscope technology and infrastructure to improve your experience.

SAP delivers a packaged and customized version, CA Introscope for SAP, for an efficient technical monitoring of the SAP CC systems in the system landscape.

Refer to the SAP CC Operations Guide for more information about the following elements:

  • getting started with CA Introscope for SAP CC
  • installation and setup of supportability tools
  • technical and performance monitoring

See also: Consult the SAP CC Metric Reference and Performance Troubleshooting documentation for more information about the performance and health data that you can monitor or use for your troubleshooting operations and root cause analysis.