Establish regular monitoring of key system resources, such as space, CPU, I/O, response time, and so on.
Business Value:
By monitoring critical resources, you can anticipate increased demands and avoid unanticipated interruptions in service by preemptively taking corrective action.
Additional Considerations:
You should monitor resources such as database space, index efficiency, response times, CPU, I/O, and buffer utilization. To monitor these resources, periodically capture relevant statistics and review them looking for trends and sudden changes.
CA IDMS provides several monitoring facilities. The following table identifies facilities that can be used to monitor critical resources.
|
Resource |
Monitoring Facilities |
|
Space in a database area |
PRINT SPACE utility |
|
Index efficiency |
PRINT INDEX utility |
|
CPU Time |
DCMT DISPLAY STATISTICS SYSTEM command System Statistics report (Statistics report 3) Summary Recap report (CA IDMS Performance Monitor PMARPT03) |
|
Response Time |
Summary Recap report (CA IDMS Performance Monitor PMARPT03) |
|
I/O |
DCMT DISPLAY STATISTICS SYSTEM command DCMT DISPLAY STATISTICS AREA|BUFFER|FILE commands Program Summary (Journal report 4) Database Summary report (CA IDMS Performance Monitor PMARPT18) |
|
Buffer Utilization |
DCMT DISPLAY STATISTICS AREA|BUFFER|FILE commands Program Summary (Journal report 4) |
More Information:
For more information about monitoring your CA IDMS environment, see the CA IDMS Database Administration Guide – Volume 2 and the CA IDMS System Operations Guide. For more information about how to use the monitoring facilities, see the CA IDMS Utilities Guide, CA IDMS Reports, CA IDMS Performance Monitor Guide, and CA IDMS System Tasks and Operator Commands Guide.
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