Interview Questions

System Monitor

The System Monitor in SAP HANA Studio is a great feature that provides an overview of all your SAP HANA systems at a single glance. With just having the single System Monitor interface, you can break down into the details of an individual system in the Administration editor. You can explore various information with the help of System Monitor such as Data Disk details, Log disk, Trace Disk, Alerts on resource usage with priority.

Information Available in the System Monitor

You can avail the following details from the SAP HANA Studio – System Monitor interface,

Information	Details
System ID	This is the ID assigned to system when added
Operational State	Overall status of the system
Alerts	Generally, the system issues alerts whenever the resource usage and statistical thresholds are exceeding the critical limit. These alerts are categorized as a low, medium, or high priority. There are also information alerts. The number of alerts and their status is shown here.
Data Disk (GB)	Total Size of the disk data volume
Log Disk (GB)	Total Size of the disk log volume
Trace Disk (GB)	Total Size of the disk trace files
Database Resident Memory (GB)	Size of resident memory at operating system level owing to SAP HANA database processes
System Resident Memory (GB)	Total size of resident memory in the operating system
Used Memory (GB)	Amount of physical memory used by the SAP HANA database
CPU (%)	Percentage of CPU used by the SAP HANA database
Hostname	Name of the server hosting the SAP HANA database
Instance Number	Instance number is the administrative unit that comprises the server software components
System Data Disk (GB)	Total disk space occupied on disk(s) containing data
System Log Disk (GB)	Total disk space occupied on disk(s) containing log files
System Trace Disk (GB)	Total disk space occupied on disk(s) containing trace files
System Physical Memory (GB)	Total amount of physical memory used
System CPU (%)	Overall CPU usage
Distributed	Indicates whether the system is running on a single host or it is a distributed system running on more than one host
Start Time First	Time that the first service started This value is updated when the system is restarted for any reason.
Start Time Latest	Time that the last service was started, if, for example, one of the services was re-started individually
Version	Software version number of the SAP HANA studio
Platform	Operating system on which the SAP HANA studio is running
Number of Crash Dump Files	The number of crash dump files in the trace directory of the system