Parameter: STATEFUL_SERVICE_THREAD_COUNT
Definition
Description and Use
This system parameter defines the number of processing threads reserved for
performing the Stateful Message Service that delivers the interinstance communication infrasctucture
and the Online Charging Services (OCS).
In the running SAP CC Core Server system, each relevant instance handles a specialized queuing mechanism based on a processing queue and an associated pool of execution threads. Each thread is a function that processes a message from this queue.
System Configuration (Advanced): Tuning
Fine-Tuning the Parameter Value
You can fine-tune the parameter values. For each type of instances in your SAP CC system, see the SAP CC Sizing and Performance Tuning Guide.
Technical Operations: Monitoring
Use the performance and health metrics to monitor this function in the SAP CC system. See the Queue metric node about metrics reported in CA Introscope for SAP.
See also the Stateful metric node about the activities of the Stateful Message Service
in the different types of instances.
Syntax and Constraints
Defined Constraints
The SAP CC Core Server system verifies the following constraints:
| Instance Type | Constraint |
|---|---|
| Rater instances |
The parameter must be less than or equal to
STATEFUL_SERVICE_QUEUE_POLICY_HASH_KEY_SIZE
.
The parameter must be greater than or equal to 1 . The constraint(s) of the parameter SQLHELPER_CONNECTION_COUNT must be verified (as part of these constraint(s)). |
| Taxer instances |
The parameter must be greater than or equal to
1
.
The constraint(s) of the parameter SQLHELPER_CONNECTION_COUNT must be verified (as part of these constraint(s)). |
| Guider instances |
The parameter must be less than or equal to
STATEFUL_SERVICE_QUEUE_POLICY_HASH_KEY_SIZE
.
The parameter must be greater than or equal to 1 . The constraint(s) of the parameter SQLHELPER_CONNECTION_COUNT must be verified (as part of these constraint(s)). |
| Dispatcher instances |
The parameter must be greater than or equal to
1
.
|
See Also
Message queue size reserved for the online charging services: STATEFUL_SERVICE_QUEUE_SIZE
Additional Information
For more information, consult the product documentation of SAP Convergent Charging:
Technical Details
For more information, consult this section.
| Name | STATEFUL_SERVICE_THREAD_COUNT
|
|||||||||||
| Category | Parameter | |||||||||||
| Type | Integer | |||||||||||
| Access (RO/RW) |
RW(+): Dynamic Read / Static and Dynamic Write An immediate change is possible but is temporary. When it is relevant, change the permanent settings used by the SAP CC Core Server system when it restarts. Use the Admin+ user interface to change the runtime values or the permanent values of this system parameter in an instance of the SAP CC Core Server system or in multiple instances. |
|||||||||||
| Groups | ||||||||||||
| Instance Types |
This system parameter is available in the following types of instances in a running SAP CC Core Server system:
|
|||||||||||
| Default Values (Factory Settings) |
The predefined default values are:
You can use a default value to reset the runtime value or the restart value (persistent) in the Admin+ user interface. Note A default value is part of the factory settings of the SAP CC Core Server systems. It differs from the original value set during the installation or after the Customizing activities. In Admin+, you can reset a parameter value to this default value, but it is not recommended:
reset command.
|
|||||||||||
| Constraints |
The SAP CC system checks the following constraints:
|
|||||||||||