#observability
3 posts tagged observability.
- A dashboard should answer one question in five secondsMost Grafana dashboards are a wall of every metric someone once found interesting. The good ones are designed like a page in a newspaper: one headline, read top to bottom.
- Your observability bill is a cardinality billMonitoring costs rarely grow with traffic. They grow with labels, log lines nobody reads and traces kept by default. Here is where the money goes and how to get it back.
- Measure Kafka lag in seconds, not messagesA consumer group 50,000 messages behind might be fine or might be an hour stale. The number that matters to the business is how old the data is.