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This metric is captured by Dynatrace in the Microsecond granularity by default, and when reported that can be mathematically grouped and added to show minute/second/millisecond times. As calculated service metrics cannot be adjusted after creation, this ensures the most detailed granularity within this metric so it can be used.
Because of this, this is a metric which can be used for Custom Alerting, and by changing the granularity it just tells the back end to group microseconds into mili/second/minute timings you are requesting.
In short, it prevents a custom metric from creating per minute intervals and trying to make Custom Alerts in second intervals.
Hope this helps
I want to ask a question here. I want to solve this problem --> alert me when at least 10 request are having response time greater than 10 SECOND in the interval of 5 MINUTES.
To solve this things, I tried to create calculated service metric for response time when it auto selected to MICROSECOND. Then at the bottom of the page, I selected Response time [ms] field. Now it is veru confusing should I pass values in MS or MICROSEC here. When I passed as 10000 ms, the alert which was generated considered it as 10 MICROSECOND. So I tried to correct it by passing values as 1000000 MICROSEC. But I found that that field doesn't allow any value bigger than 1410065.
So My question to you what should I do here?