Publications by tag #observability

We wanted to automatically build an interaction map between services in the Kubernetes cluster. Using Istio seemed to be an overkill. Here's what we did with NetFlow (and a bit of Python).

This tutorial helps you in setting up metrics collection based on the log file (of PostgreSQL in this specific case) and alerts based on these metrics.

An overview of useful Logstash and Elasticsearch features & configuration options to get a better experience for your ELK installations. A small Elasticsearch API cheat sheet is included.

The disastrous fire OVHcloud data centers experienced this March affected our monitoring system badly. Here is how it challenged us and what we did to keep everything working smoothly.

Aggregating logs for applications hosted in Kubernetes: existing solutions (based on Fluentd, Elasticsearch, ClickHouse, etc.), their drawbacks, and challenges in general.

Make your Kubernetes connectivity issues visualized with Prometheus and Grafana.