Prometheus

• Prometheus 基础知识
  • METRIC TYPES
    • Summary
    • Histogram
    • Summary
    • Types of Prometheus metrics
      • Range vector
      • Histogram
  • Histograms 与 Summary 比较
    • Library support
    • Count and sum of observations
    • Apdex score
    • Quantiles
    • histogram_quantile() - histogram 转百分位
    • 不错的资料
  • Step and query_range - 步长与查询范围
    • Grafana global-variables
      • $__interval
      • $__interval_ms
      • $__range
      • $__rate_interval
    • Using interval and range variables
      • Using $__rate_interval
    • New in Grafana 7.2: $__rate_interval for Prometheus rate queries that just work
  • Rate - 秒增量
    • rate()
      • What range should I use with rate()?
    • irate()
      • increase()
    • rate() versus irate()
      • irate() vs rate() – What’re they telling you?
      • Why irate from Prometheus doesn't capture spikes
        • Spikes and irate
        • Capturing spikes
        • Conclusion
  • Top
  • Metrics Design
  • rate vs increase functions

Prometheus 性能

• Why does Prometheus use so much RAM?

• How long can Prometheus retention be?

• Looking beyond retention

• Cardinality is key

• How much RAM does Prometheus 2.x need for cardinality and ingestion?

• Limiting PromQL resource usage

Troubleshooting

• What queries were running when Prometheus died?