Operations | Monitoring | ITSM | DevOps | Cloud

Lock-free Observations for Prometheus Histograms

There’s a famous Go proverb that states: Don’t communicate by sharing memory; share memory by communicating. At GopherCon UK 2019, Björn Rabenstein, an engineer at Grafana and a Prometheus developer, told the audience that when it comes to observations for Prometheus histograms, that saying doesn’t hold true.

Pro Tips: Dashboard Navigation Using Links

Great dashboards answer a limited set of related questions. If you try to answer too many questions in a single dashboard, it can become overly complex. As a consequence, a single dashboard often can’t tell the whole story. So you end up navigating between several, and it can be quite inefficient to search for a particular dashboard every time you need it. Luckily, there are some hacks for navigating between dashboards.

How to Do Automatic Annotations with Grafana and Loki

Grafana annotations are great! They clearly mark the occurrence of an event to help operators and devs correlate events with metrics. You may not be aware of this, but Grafana can automatically annotate graphs by querying Loki. Here’s a look at how to use this feature. Loki queries can be used to automatically generate annotations on Grafana dashboards since 6.4.0. For every log line that is returned from a query, the text is automatically displayed as an annotation at the appropriate time.