Monitoring System Dashboard Indicators
The System Operation > System Dashboard page of the Management Portal groups the status of key system performance indicators into the following categories. Each category is described in one of the tables that follow.
In most cases, you can click an indicator listed in one of these categories to display a description of the indicator in the bottom detail box at the lower left corner of the page.
System Performance Indicators
| Indicator |
Definition |
| Globals/Second |
Most recently measured number of global references per second. |
| Global Refs |
Number of global references since system startup. |
| Global Sets |
Number of global Set and Kill operations since system startup. |
| Routine Refs |
Number of routine loads and saves since system startup. |
| Logical Requests |
Number of logical block requests since system startup. |
| Disk Reads |
Number of physical block read operations since system startup. |
| Disk Writes |
Number of physical block write operations since system startup. |
| Cache Efficiency |
Most recently measured cache efficiency (Global references / (physical reads + writes)). |
Click the ... more details link in the bottom detail box to display the System Operation > System Usage page. See Monitoring System Performance for details.
ECP Indicators
| Indicator |
Definition |
| Application Servers |
Summary status of ECP (Enterprise Cache Protocol) application servers connected to this system. |
| Application Server Traffic |
Most recently measured ECP application server traffic in bytes per second. |
| Data Servers |
Summary status of ECP data servers to which this system is connected. |
| Data Server Traffic |
Most recently measured ECP data server traffic in bytes per second. |
For more information on the ECP indicators, see Horizontally Scaling Systems for User Volume with InterSystems Distributed Caching.
System Time Indicators
| Indicator |
Definition |
| System Up Time |
Elapsed time since this system was started. |
| Last Backup |
Date and time of last system backup. |
You can run backups or view the backup history from the System Operation > Backup page. For more information on developing a backup plan, see Backup and Restore.
System Usage Indicators
| Indicator |
Definition |
| Database Space |
Indicates whether there is a reasonable amount of disk space available for database files. Clicking ... more details displays the System Operation > Databases page. |
| Database Journal |
Indicates the current status of the database journal. Clicking ... more details displays the System Operation > Journals page. |
| Journal Space |
Indicates whether there is a reasonable amount of disk space available for journal files. Clicking ... more details displays the System Operation > Journals page. |
| Journal Entries |
Number of entries written to the system journal. Clicking ... more details displays the System Operation > Journals page. |
| Lock Table |
Current status of the system Lock Table. Clicking ... more details displays the System Operation > Locks > Manage Locks page. |
| Write Daemon |
Current status of the system Write daemon. |
| Transactions |
Current status of open local and remote (ECP) transactions. If there are no open transactions, status is Normal; status may also be Warning (if the duration of the longest open local or remote transaction is greater than 10 minutes) and Troubled (if greater than 20 minutes). Clicking ... more details displays the Transactions page (System Operation > Transactions). |
| Processes |
Most recent number of running processes. Clicking ... more details displays the Processes page (System Operation > Processes). |
| Web Sessions |
Most recent number of web sessions. Clicking ... more details displays the Web Sessions page (System Operation > Web Sessions). |
| Most Active Processes |
Running processes with highest amount of activity (number of commands executed). Clicking ... more details displays the Processes page (System Operation > Processes). |
For more information on any of these topics, click the Help link on the Portal page displayed when you click the ... more details link.
Errors and Alerts Indicators
| Indicator |
Definition |
| Serious Alerts |
Number of serious alerts that have been raised. Clicking ... more details displays the View Messages Log page (System Operation > System Logs > Messages Log). |
| Application Errors |
Number of application errors that have been logged. Clicking ... more details displays the View Application Error Log page (System Operation > System Logs > Application Error Log). |
See Monitoring Log Files for more details.
Licensing Indicators
| Indicator |
Definition |
| License Limit |
Maximum allowed license units for this system. |
| Current License Use |
License usage as a percentage of available license units. |
| Highest License Use |
Highest license usage as a percentage of available license units. |
Click the ... more details link in the bottom details box to display the System Operation > License Usage page. For more information on licensing, see Managing InterSystems IRIS Licenses.
Task Manager Upcoming Tasks
| Indicator |
Definition |
| Upcoming Tasks |
Lists the next five tasks scheduled to run. |
| Task |
Name of the upcoming task. |
| Time |
Time the task is scheduled to run. |
| Status |
Task status—one of: scheduled, completed, running. |
Click the ... more details link in the bottom details box to display the System Operation > Task Manager > Upcoming Tasks page. For details on the Task Manager, see Using the Task Manager.
