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Understanding Prometheus Metric Types | Meaning and Usage (Gauge, Counter, Summary, Histogram)
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This video explains the four different metric types in Prometheus: Gauges, Counters, Summaries, and Histograms. It goes into the meaning of each type, explains how to use each type in instrumentation, and how they show up in the exposition format. It also touches on what you have to watch out for when querying each metric type with PromQL.
Check my Prometheus training courses if you want to learn Prometheus in a structured way from the ground up:
Histograms vs. Summaries in the Prometheus documentation:
Chapters:
00:00 Introduction
00:25 Gauges
01:00 Gauge Instrumentation Methods
01:40 Gauges in the Exposition Format
01:50 Querying Gauges
02:05 Gauges Containing Timestamps
02:18 Counters
02:44 Counter Resets
02:56 Counter Instrumentation Methods
03:48 Counters in the Exposition Format
03:58 Querying Counters (absolute values vs. rates)
04:53 Summaries
05:05 Constructing Summaries
05:15 Summary Instrumentation Methods
05:37 Summaries in the Exposition Format
06:01 Querying Summaries
06:45 Histograms
07:10 Cumulative Histograms
07:48 Constructing Histograms
07:58 Histogram Instrumentation Methods
08:08 Histograms in the Exposition Format
09:05 Querying Histograms (percentile calculation using histogram_quantile() )
10:10 Average Request Latencies
10:29 Native Histograms
11:04 Outro & PromLabs Prometheus Trainings
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Check my Prometheus training courses if you want to learn Prometheus in a structured way from the ground up:
Histograms vs. Summaries in the Prometheus documentation:
Chapters:
00:00 Introduction
00:25 Gauges
01:00 Gauge Instrumentation Methods
01:40 Gauges in the Exposition Format
01:50 Querying Gauges
02:05 Gauges Containing Timestamps
02:18 Counters
02:44 Counter Resets
02:56 Counter Instrumentation Methods
03:48 Counters in the Exposition Format
03:58 Querying Counters (absolute values vs. rates)
04:53 Summaries
05:05 Constructing Summaries
05:15 Summary Instrumentation Methods
05:37 Summaries in the Exposition Format
06:01 Querying Summaries
06:45 Histograms
07:10 Cumulative Histograms
07:48 Constructing Histograms
07:58 Histogram Instrumentation Methods
08:08 Histograms in the Exposition Format
09:05 Querying Histograms (percentile calculation using histogram_quantile() )
10:10 Average Request Latencies
10:29 Native Histograms
11:04 Outro & PromLabs Prometheus Trainings
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