From the course: Go Performance Optimization
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Monitoring and alerting - Go Tutorial
From the course: Go Performance Optimization
Monitoring and alerting
- [Instructor] Metrics are your highest production and you should meter not only how many requests or how many errors, but also performance-related metrics. On top of that, you should have alerting if a metric, especially a performance one deca-grades requests are starting to get over, let's say a hundred milliseconds. Someone should wake up and see what's going on. When we talk about HTP servers, most of the time we do it with middleware. So I have a handle here that returns the time in UTC. And what I have here is a timing middleware. So a middleware is something that returns a handle and gets a handler. Sometimes middleware will also get the next handler to call maybe a logger and maybe some other information. There are slight variations but the idea is roughly the same. So I'm creating a function that starts the time and it defer calculates how much time has passed and save it to a log and we'll talk about the options…
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