When you are monitoring application performance, there are two main types of metrics that you can collect: gauges, and counters. Gauges fluctuate up and down, like temperature or speed, while counters always increase, like the total number of miles travelled in a vehicle.

Counter data usually resets to zero if there is an interruption. Counter aggregation functions are used to continue accumulating data, while ignoring any interruptions or resets.

For more information about counter aggregation API calls, see the hyperfunction API documentation.


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