Call attachment facility (CAF) service
The CAF service is assigned to the CAF service class. The task name for the CAF service class is CACCAF.
The CAF is an initialization service that connects to an IBM® DB2® for z/OS® subsystem to access and update DB2 data.
The following table summarizes the configuration parameters that define call attachment facility services in the CAF service class.
| Parameter | Default value | Description |
|---|---|---|
| DB2PLANNAME | CACPLAN | IBM DB2 application plan for accessing DB2 for z/OS data |
| DB2SUBSYSTEMNAME | DSN | DB2 for z/OS subsystem name |
| IDLETIMEOUT | 300000 MS (5 MIN) | The amount of time in milliseconds that a service remains idle before it polls the local message queue for messages that are to be processed |
| INITIALTHREADS | 1 | Number of instances of this service that the region controller starts during data server initialization |
| MAXTHREADS | 1 | Maximum number of instances of this service that the region controller is allowed to start |
| MAXUSERS | 10 | Maximum number of user connections |
| OPTIONALUSERPARM | None | Optional user parameters |
| RESPONSETIMEOUT | 300000 MS (5 MIN) | Maximum amount of time in milliseconds to wait for response before terminating a connection |
| SEQUENCE | 0 | Sequence number that is assigned to services |
| THREADMGMTEXIT | None | Thread management exit |
| TRACELEVEL | 4 | Trace level |