Reliable Insights

A blog on monitoring, scale and operational Sanity

July 15, 2019

New Features in Prometheus 2.11.0

Prometheus 2.11.0 is now out, following on from 2.10.0 with many fixes and improvements.

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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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July 1, 2019

Why can’t I use the nodename of a machine as the instance label?

The machine knows its own name, couldn't Prometheus use it?

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June 24, 2019

How much disk space do Prometheus blocks use?

Memory for ingestion is just one part of the resources Prometheus uses, let's look at disk blocks.

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June 17, 2019

Idempotent Cron Jobs are Operable Cron Jobs

Having to reconstruct how far a failed cron job had gotten and what exact parameters it was run with can be error prone and time consuming. There is a better way.

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June 10, 2019

Monitoring memcached with Prometheus

As with many applications, there's an exporter for memcached.

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June 3, 2019

Finding churning targets in Prometheus with scrape_series_added

Prometheus 2.10 has a new metric to make finding churn easier.

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May 27, 2019

New Features in Prometheus 2.10.0

Prometheus 2.10.0 is now out, following on from 2.9.0 with many fixes and improvements.

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May 20, 2019

Analyse a metric by kernel version

Using PromQL you can combine metrics for analysis.

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May 13, 2019

Be discerning in what dashboards you share with users

There's no way that sharing metrics with your users or customers can go wrong. Right?

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