While working with a Cosmos DB Change Feed processor running as an Azure Function, I noticed that ‘requests’ are logged as Application Insights telemetry, but show up with no URL, and a response Code of 0. I was able to reproduce this using a lean example, generated from the func new generators. (Code available here: ) I’m trying to figure out why this is, so this is a kind of...
The problem is, sometimes we can be logging a little too much.
We can use a Telemetry Initalizer to hide sensitive data in dependencies / requests logged with Application Insights.