I'm running a small application on my self-managed Hetzner K3s cluster and want to centralize all the application logs. Typically, all logs are outputted to stdout within the container, but I need a way to persist them when the pods get recreated. Since privacy is a concern, everything needs to stay within the cluster or be self-hostable. Is there a simple and effective solution for this? I've heard Grafana Loki is quite popular, but I'm unsure what to use for shipping the logs—should I go with Fluentbit, Fluentd, Promtail, or something else?
3 Answers
Have you thought about using Vector.dev for your log shipping? It pairs nicely with VictoriaLogs as the engine, and it requires a lot less resources than Grafana Loki. Plus, you can visualize everything with Grafana, keeping it simple and low overhead.
If you’re considering the Grafana stack, check out Grafana Alloy. It’s a solid option that combines many features you'd typically use several tools for.
Definitely go for Loki + Grafana Alloy! Promtail’s getting replaced by Alloy because it’s an all-in-one agent for logs, metrics, and traces. Plus, the k8s-monitoring-chart uses Alloy operator, which makes it easier to gather everything.
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