The SAP Java server is a key component of both the SAP NetWeaver Application Server and SAP Web Application Server, serving as a web application server for SAP products. Applications Manager's SAP Java monitoring tool enables you to obtain a comprehensive overview of your SAP server's performance in a single glance. It proves invaluable in troubleshooting bottlenecks at the initial stage by tracking memory utilization, message logs, user sessions, and various other critical metrics.
Prerequisites for monitoring SAP Java metrics: Click here
Using the REST API to add a new SAP Java monitor: Click here
To create a SAP Java monitor, follow the steps given below:
Click on the individual monitors listed to view the following information. Following are the list of metrics that are monitored in SAP Java monitoring:
| Parameters | Description |
|---|---|
| External IO | |
| Average RFC IO (in bytes) | The average number of bytes which are transferred in the external RFC communication. |
| Average WebService IO (in bytes) | The average number of bytes which are transferred in the external Web Service communication. |
| Average Time | |
| Average RFC Time (in seconds) | The average RFC time. |
| Average WebService Time (in seconds) | The average Web Service Time. |
| External Calls | |
| External RFC Calls Rate | The number of external RFC calls. |
| External WebService Calls Rate | The number of external Web Service calls. |
| Disk Space | |
| Total Disk Space (in GB) | The total disk space in the directory of each instance. |
| Free Disk Space (in %) | The free disk space available in working directory or partition for each instance. |
| Free Disk Space (in GB) | The free disk space available on your system. |
| Parameters | Description |
|---|---|
| Threads Pool | |
| Thread Pool Usage (in %) | The ratio of Active threads count to Maximum pool size. |
| Waiting Tasks Usage (in %) | The ratio of current size of the waiting tasks queue to the maximum configured size. |
| License Validity Period | Number of days left for the validity to expire for all the available software products. |
| Parameters | Description |
|---|---|
| Deploy | |
| Failed To Start Applications Rate | The number of applications that failed to start. |
| HTTP Provider | |
| Number of Requests Rate | The number of all requests since the server startup. |
| JMS | |
| Not Started VPs Count Rate | The number of Virtual Providers which are not started currently in the cluster. |
| JMX | |
| Thread Usage | The ratio of current number of threads processing JMX notifications to number of the maximum threads. |
| NotificationQueue Size | The current number of JMX notifications waiting to be sent. |
| Cache Fill Rate | The ratio of number of currently cached object names to the maximum size of the cache. |
| Parameters | Description |
|---|---|
| Messages | |
| All Messages | The total number of all log and trace messages. |
| Error Messages | The number of messages with ERROR severity. |
| Fatal Messages | The number of messages with FATAL severity. |
| Warning Messages | The number of messages with WARNING severity. |
| Logs | |
| Total Log Files Size | The total size of all log and trace files excluding archives. |
| Parameters | Description |
|---|---|
| Available Memory (in MB) | The current, maximum and minimum values of the available memory. |
| Allocated Memory (in MB) | The current, maximum and minimum values of the allocated memory. |
| Used Memory (in MB) | The current, maximum and minimum values of the used memory. |
| Usage | The ratio between the used memory and the total memory of the process. |
| Allocated Memory (in %) | The current, maximum and minimum values of the allocated memory. |
| Used Memory (in %) | The current, maximum and minimum values of the used memory. |
| Parameters | Description |
|---|---|
| Session Manager | |
| Active Web Sessions | The number of active Web sessions. |
| Opened EJB Sessions | The number of opened EJB sessions. |
| Opened Security Sessions | The number of opened security sessions. |
| Opened Web Sessions | The number of opened web sessions. |
| Logged-In Users | The number of logged-in users. |
| Security | |
| Unsuccessful Logon Attempts Rate | The number of unsuccessful logon attempts since server startup. |
| Timeout | |
| Estimated Frequency Per Minute | The count of timeout events per minute. |
| Web Container | |
| Average Processing Time | Average value of the request processing time for given time interval. |
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