Despite the odds, Serilog and Application Insights are a fairly common combination. Let's dive in and find out if such partnership is well justified. Introduction Serilog is an extremely popular structured logging library, with powerful DSL and serialization features. The benefits of structured logging are well known an widely appreciated, so if you're not convinced yet, do spend some time to read up on the topic. Application Insights is a very popular APM SaaS offering from Microsoft on Azure, especially in the .NET world. Motivation Now, you might wonder - why put those two together ? After all, not all great tech plays together well. And I completely agree with that. In fact, when starting a greenfield application, Elastic Search seems to be a better choice for storing and searching structured logs data. One of the obvious benefits would be the data ingestion pipeline speed. But logs are only part of the story, however. When we look at the APM in general, El