One of the major changes introduced in Prometheus 2.0 was that of staleness handling. Previously for instant vectors, Prometheus would return a point up to 5 minutes in the past which caused a number of different issues.
Reliable Insights
A blog on monitoring, scale and operational Sanity
Have you ever wondered what percentage of time a given service or application spends up or down?
Having previously discussed why the Prometheus project does not support SSL and user authentication out of the box and detailing how to add basic authentication with Nginx, we will now demonstrate how to do the same with Apache.
In this blogpost we'll run you through a quick 'hello world' example instrumenting a Rails application with the Prometheus ruby client.
The world of infosec is alarmed right now over the recent security vulnerabilities disclosed by Google on Wednesday that affect Intel, AMD, and ARM chips.
The now infamous Meltdown and Spectre bugs allow for the reading of sensitive information from a system's memory, including passwords, private keys and other sensitive information.
Thankfully fixes are being swiftly rolled out to patch these issues, however they come at a performance cost which we will use Prometheus to explore in this blogpost.
Prometheus 2.0 brought with it rule groups, making hierarchical aggregation easier than ever.
How many scrape intervals should you have in a Prometheus?
In this blogpost we try and clear up some confusion by outlining the key differences between commonly confused alerting configuration options: group_interval, group_wait, and repeat_interval.
Have you ever wondered why the buckets in histograms are not just counters of events that fall into each bucket?
