Prometheus Query Optimization: PromQL Tips, Recording Rules, and Performance
Introduction Prometheus queries can become slow and resource-intensive as your metrics scale. This guide covers PromQL optimization techniques, recording rules, and performance best practices to keep your monitoring fast and efficient.
PromQL Optimization Understanding Query Performance Factors affecting query performance:
Number of time series matched Time range queried Query complexity Cardinality of labels Rate of data ingestion Check query stats:
# Grafana: Enable query inspector # Shows: Query time, series count, samples processed 1. Limit Time Series Selection Bad (matches too many series):
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