How do you visualize performance data so you can easily spot bottlenecks? Brendan Gregg’s flamegraphs are a great solution, adopted by a large number of profilers and performance tools.
Source: Creating a better flamegraph visualization, an article by Itamar Turner-Trauring.
This is the second article in a series where I try to understand systemd by creating small containerized examples. In Part 1, we created a minimal systemd setup in a container. We are now using this setup to continue our investigation of systemd, starting with taking a closer look at dependencies.
Source: systemd by example - Part 2: Dependencies, an article by Sebastian Jambor.
We all know that indexing is important, but it can be difficult to know where to start. In this post, my aim is to collate some of the best advice I’ve seen for indexing Postgres, and simplify it for folks just getting started.
Source: Some indexing best practices, an article by Michael Christofides.