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Understanding the Prometheus rate() function

6 years ago medium.com
Understanding the Prometheus rate() function

Summary: This is a summary of an article originally published by the source. Read the full original article here →

Both Prometheus and its querying language PromQL have quite a few functions for performing various calculations on the data they have. One of the most widely used functions is rate(), however it is also one of the most misunderstood.

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