https://alvo.me/Recent content on alvo.meHugo -- gohugo.ioMon, 06 Oct 2025 10:40:00 +0200https://alvo.me/posts/slices/Mon, 06 Oct 2025 10:40:00 +0200https://alvo.me/posts/slices/<div class="document"> <p>Working with strings, arrays, and slices in C can be tricky, especially because the standard library expects strings served null-terminated. While working on an interpreter, I came up with my own types for strings and slices, things to work with them and that's what I want to share in this post.</p> </div>https://alvo.me/posts/prometheus-mavg/Sun, 09 Jul 2023 16:52:15 +0200https://alvo.me/posts/prometheus-mavg/<div class="document"> <p>Using the moving average and exponential smoothing to compute typical daily profile graph in prometheus.</p> </div>https://alvo.me/posts/prometheus-debouncing/Sun, 25 Jun 2023 18:23:31 +0200https://alvo.me/posts/prometheus-debouncing/<div class="document"> <p>Prometheus alerts can be flopping sometimes, that is really annoying when you get multiple notifications at 3 AM. Or when you manually assign an incident to someone else and with a new alert you need to assign this person again. This post looks into two ways how this situation can be improved.</p> </div>https://alvo.me/posts/container-networking/Thu, 18 Feb 2016 00:00:00 +0000https://alvo.me/posts/container-networking/<div class="document"> <p>The study compares different network modes of CoreOS's flannel. It shows that most solutions perform somewhat worse than the bare host network, IPVLan performed slightly worse, and finally VXLAN that performed considerably worse.</p> </div>