Writing Prometheus exporters - Percona

[Pages:82]Writing Prometheus exporters

In theory and practice

Alexey Palazhchenko

PMM developer / Prometheus contributor / Gopher Percona University Kiev November 11, 2017

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OpenMetrics

Prometheus developers Google InfluxData SolarWinds Okmeter

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Exposition Format

# HELP http_requests_total The total number of HTTP requests. # TYPE http_requests_total counter http_requests_total{method="post",code="200"} 1027 1395066363000 http_requests_total{method="post",code="400"} 3 1395066363000

{__name__="http_requests_total",method="post",code="400"}

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Theory

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Instrumentation Methods

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Instrumentation Methods

Direct

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Instrumentation Methods

Direct Custom whitebox exporter

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