The blackbox_exporter allows for a variety of network checks to be performed, with many common modules available out of the box.
Reliable Insights
A blog on monitoring, scale and operational Sanity
We previously looked at finding your biggest metrics, that involves an expensive query though. A new feature in Prometheus 1.3 offers another approach.
If you try and do max_over_time(rate(my_counter_total[5m])[1h]) or predict_linear(rate(my_counter_total[5m])[1d], 3600) in Prometheus it won't work. How can you combine these functions?
The Alertmanager has integrations to a variety of popular notification mechanisms. Let's see how easy it is to hook it in to OpsGenie. Read more
One of the advantages of pull-based monitoring such as Prometheus is that you can tell if the target is healthy as part of the scrape. How do you do that though?
The default JSON output isn't always what you want when querying Prometheus. Let's see how to get out CSV files.
Recent versions of Prometheus added an experimental remote write feature. Let's take a look.
