Via tRFC, data can be transferred safely and reliably between applications. The RFC client calls a specific function module on the RFC server. The called function module is executed exactly once on the server. The resulting data is then stored temporarily in the SAP database under a unique transaction ID (TID), that is, data creation and data transmission are two separate processes. The tRFC is used for example to send business documents from one SAP system to another SAP system, often by using the ALE/IDoc layer.
One or several functional module calls can be grouped into a single tRFC LUW (logical unit of work). Due to its asynchronous nature, the tRFC can handle situations where the called remote system is not available at the time of posting. In such a case a reprocessing is triggered by the tRFC framework.
The following technical prerequisites have to be met in order to use the tRFC monitoring:
On the managed system, use transaction SM58 to check whether there are tRFC entries present.
To be able to monitor interfaces of an on-premise system you first have to add it to Interface & Cloud Monitoring and select the monitoring categories you want to monitor for the system.
In the next step, you see all monitoring categories which are available for the system, depending on the system type and the installed software components. Some recommended standard monitoring categories are preselected.
Select the monitoring categories in scope.
Available Monitoring Categories
The available monitoring categories are:
After selecting your monitoring categories you have to maintain filters to define what exactly you want to monitor. Some monitoring categories come with standard filters that usually just select all items of this monitoring category. SAP Focused Run can handle this high amount of monitoring data, so you can stick to this standard filters. Or you can set up filters of your own.
Please note that the filters you set in the 'Monitoring' step filter the data which is collected from the managed system or cloud service. You can also set up filters later in the 'Alerting' step, which will filter the data already in Focused Run.
You can create more than one filter for a monitoring category.
Available Filter Options
For tRFC Monitoring, you can collect all tRFC entries in the managed system. You can also use the following filter parameters, to restrict the data collection:
The setup of the filters for the monitoring categories only makes sure that the data is collected, however, alerts are not created automatically. To create alerts and notifications you have to create an alert individually.
In the next sub-step, you have to maintain the filter. For most monitoring categories the available filter fields will be the same as for the 'Monitoring' configuration described above.
For some metrics, you have additional filter fields or you have to maintain metric parameters. You can check the collected data in Focused Run to determine which filter values to use for alerting. Most of the fields can be found in the Collection Context of the collected data.
Please note that the filters on 'Alerting' level filter the data that is already available in Focused Run. They do not influence the data collection itself. You can only filter for data that is collected. Be aware of this if you created strict filters in the 'Monitoring' step.
In the last sub-step you have to activate the alert:
For single exceptions, the threshold type is always 'Already Rated'. This means depending on the calculation frequency the number of exceptions is checked and an alert is created if this number is bigger than 0. If you want to reduce the number of alert for these metrics, you could increase the value for the calculation frequency to increase the time between checks.
For interfaces of type tRFC the following metrics are collected:
The following status codes are taken into account for error and interim statuses:
|Severity||tRFC Status Code|
|Critical||ANORETRY, ARETRY, CPICERR, RETRY, SYSFAIL, VBERROR|
|Interim||AFINISH, CONFAIL, DEBUG, EXECUTED, MAILED, READ, RECORDED, SENDED, SYSLOAD, VBRECORD, VXRECORD|
The term “Critical” as used above indicates an immediate error state, with no automatic reprocessing, manual action is required. The term “Interim” indicates a temporary error or backlog situation only. Usually automatic reprocessing is in place.