This parameter is used to reserve a number of dialog work processes for dialog mode. It specifies the number of dialog work processes that should be kept free for dialog mode, thereby preventing that all processes are occupied by parallel RFCs.
The RFC resource check is active (see rdisp/rfc_use_quotas = 1).
Work area |
Dispatcher/task handler |
Unit |
Integer value |
Standard value |
1 |
Dynamically changeable |
Local and on all servers |
You can set the parameter to values between 1 and the number of dialog work processes (rdisp/wp_no_dia).
If a sufficient number of dialog work processes has been configured, this value should be increased
Caution
It must be guaranteed that the value of parameter rdisp/rfc_min_wait_dia_wp is always smaller than rdisp/wp_no_dia, otherwise no RFC requests can be processed.
If 10 dialog work processes are configured for the instance ( rdisp/wp_no_dia = 10) and the parameter rdisp/rfc_min_wait_dia_wp = 3 is set, parallel RFCs can occupy a maximum of 7 dialog work processes. Three dialog work processes always remain free for dialog mode.
The absolute number of dialog work processes is specified by parameter rdisp/wp_no_dia.
The dispatcher controls the forwarding of RFC requests. The RFC request is only passed to a dialog work process if the defined number of free dialog work processes is guaranteed. If it is not, the request is kept in the dispatcher queue for processing later.
Note the following documentation associated with this parameter: