In the Prometheus 2.7 release, Ganesh Vernekar added a feature called “Subqueries”. Ganesh published an explanation of how to use subqueries over on the Prometheus blog. In this post we’ll share a couple of real-life examples of how we use them at Grafana Labs.

Everyone’s infrastructure is growing – today mostly in the container space. As we learned in Part 1 of this series – Docker Container Monitoring and Management Challenges, monitoring for containers is different from traditional server monitoring. In Part 2 we had a glance at key container metrics and in Part 3 we compared several open source tools for container monitoring.

Amazon EC2 is the cornerstone for any Amazon-based cloud deployment. Enabling you to provision and scale compute resources with different memory, CPU, networking and storage capacity in multiple regions all around the world, EC2 is by far Amazon’s most popular and widely used service.

Data! More data! What is Data Lake? Big Data is not only a more or less fashionable marketing “word”, but also contains a quite clear concept: the accumulation and processing of enormous amounts of data in order to take advantage of the knowledge they may contain. So far so good: it’s easy to describe (not so easy to do, though).

This week we have updates and articles from the Grafana Labs team, some initial impressions on our Prometheus-inspired log aggregation project Loki, and lots more. Plus learn how to make your own air quality monitor.

Where we left off: AWS had taken the Elasticsearch software and launched their own cloud offering in 2015, and Elastic N.V. had doubled down on an “open core strategy.” Once AWS decides to offer a project like Elasticsearch, it immediately becomes a truly formidable competitor to anyone trying to do the same, even the company behind the software itself. AWS has huge scale, operational expertise, and various network effects that really compound.

When is it safest to visit Chicago parks? To walk the city’s streets? To be a kid? Here are three incredible anomalies I turned up in Chicago law enforcement data. I love Chicago. I’ve lived in Illinois for five years, and have come to love my visits to the city – the parks, the lake, the architecture, the music, the food, the universities, the people. It’s a city that’s truly unique in the world.

Tinder is the world’s most popular dating app, with more than 26 million matches made each day. But two years ago, when it was time for the L.A.-based company to find and implement a perfect metrics monitoring partner, the process proved to be more slow-burn love affair versus whirlwind romance.