Nginx Health Check: Passive, Active and the Licence Wall
An nginx health check means one of two configs, and the active kind is NGINX Plus only. Here is what open source gives you and how to cover the rest.
#tutorial
30 posts tagged "Tutorial".
MySQL Health Check: The Two Probes That Lie
A mysql health check built on mysqladmin ping reports success with the wrong password, and a socket probe matches the temporary server on first boot.
Kafka Health Check: Brokers, Clients and Canaries
A kafka health check answers one of two questions: can the cluster serve traffic, or is this client still working. Here is the right probe for each.
Grafana Uptime: Build a Panel That Tells the Truth
A Grafana uptime panel usually measures scrape success, not what users experienced. Here are the queries, and how to put an outside-in series beside them.
Go Health Check: Handler, Context and Drain Window
A go health check is code you write yourself, so the deadline, the dependency list and the drain window are yours to get right. Here is the working shape.
FastAPI Health Check: Async Routes That Tell the Truth
A FastAPI health check that blocks the event loop hurts more than it helps. Here are two async routes, concurrent dependency probes and a quiet access log.