Help Center/ Application Operations Management/ User Guide (2.0) (Kuala Lumpur Region)/ FAQs/ Alarm Management/ Why No Alarm Data Is Generated When the Statistical Period Is Set to 1 Minute?
Updated on 2025-08-07 GMT+08:00

Why No Alarm Data Is Generated When the Statistical Period Is Set to 1 Minute?

Symptom

When the statistical period is set to 1 minute, no alarm data is generated.

Possible Cause

If the statistical period of a metric alarm rule is set to 1 minute and there is a delay in metric reporting, alarm data may not be generated.

Solution

Set the statistical period and detection rule based on the metric collection interval and delay, and business model.

  • Statistical period: When creating a metric alarm rule, first check the metric collection delay (that is, the difference between the latest metric report time and the current time).
    • If they are the same, metric data is reported without delay. In this case, the statistical period can be set to 1 minute or longer.
    • If the time difference is longer than 1 minute but within 5 minutes, the statistical period can be set to 5 minutes or longer.
    • If the time difference is longer than 5 minutes but within 15 minutes, the statistical period can be set to 15 minutes or longer.
    • If the time difference exceeds 15 minutes, contact AOM support.

    The latest metric report time can be obtained from the X axis of the metric graph after you select a metric during alarm rule creation. If the metric collection interval is 1 minute, set the statistical period based on the preceding principles. If the metric collection interval is not 1 minute, check the metric collection delay and then determine the statistical period (recommended: metric collection delay + metric collection interval).

  • Detection rule: When creating a metric alarm rule, determine the statistics (Avg, Min, Max, Sum, and Samples), operators (, , >, and <), and thresholds for all metrics collected within the statistical period, and then set detection rules.

If you have requirements on metric breakpoints or collection delay, enable Action Taken for Insufficient Data under Advanced Settings of a metric alarm rule and specify the action to be taken when there is no data during a monitoring period.