Reliable Insights

A blog on monitoring, scale and operational Sanity

March 16, 2020

Prometheus Middleware for Gorilla Mux

Your HTTP router is usually the best place to measure your application latency.

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March 9, 2020

Temperature and hardware monitoring metrics from the node exporter

The node exporter exposes the various hardware monitoring metrics of Linux, including temperature, fans, and voltages.

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March 2, 2020

Setting Thresholds on Alerts

Alert thresholds can be surprisingly tricky to get right.

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February 17, 2020

New Features in Prometheus 2.16.0

Prometheus 2.16.0 is now out, following on from 2.15.0 with many fixes and improvements.

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February 10, 2020

Testing SSH of hosts from Consul

We've previously looked at scraping services from consul and ssh checks. How can we combine those?

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February 3, 2020

Get thee to a NaNnary

NaN is just a number in Prometheus.

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January 27, 2020

Getting metrics from Apache logs using the grok exporter

Not all applications produce useful metrics, but some of them do produce logs.

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January 20, 2020

Graphite’s summarize and smartSummarize in PromQL

How do you convert summarizeinto PromQL?

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January 13, 2020

Optimising index memory usage for blocks

One of the big changes in Prometheus 2.15.0 was reduced memory usage for indexes.

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January 6, 2020

Network interface metrics from the node exporter

Along with many others, the node exporter exposes network interface metrics.

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