Reliable Insights

A blog on monitoring, scale and operational Sanity

July 29, 2019

Step and query_range

Graphs from Prometheus use the query_range endpoint, and there's a non-trivial amount of confusion that it's more magic than it actually is.

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July 8, 2019

Switching between Prometheus servers in Grafana using data source variables

Having to maintain dashboards for every Prometheus server you have would be a bit annoying. Thankfully Grafana has a feature for this.

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October 15, 2018

Graph top N time series in Grafana

As of Grafana 5.3.0 there's a feature that allows correct graphing of the top N series over a duration.

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April 9, 2018

Using Geohashes with the Worldmap Panel and Prometheus

Wouldn't it be nice to have arbitrary locations on the Worldmap panel?

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April 2, 2018

Using the Worldmap Panel with Prometheus

The Worldmap Panel for Grafana allows displaying of metrics on a map.

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October 24, 2016

Monitoring Kafka with Prometheus

We've previously looked at how to monitor Cassandra with Prometheus. Let's see the process for getting metrics from another popular Java application, Kafka.

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November 1, 2015

Setting up Grafana for Prometheus

Grafana recently added support for Prometheus. Let's take a look at how to get it up and running.

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