Prometheus Functions Cheat Sheet - Aggregation Over Time
Read OriginalThis technical article explains Prometheus's *_over_time() functions (e.g., avg_over_time, sum_over_time) used for aggregating range vectors. It details how these window functions work, provides illustrative pseudocode, and discusses their application for smoothing metrics and graphing. It's part of a PromQL/Prometheus learning series aimed at software engineers and DevOps practitioners.
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