Logging is vital in a high-performance application, so while it is true that logging adds some overhead and can slow down execution, omitting it would be short-sighted and a false economy. Without logging, you won't know what is slow and requires improvement. You will also have other concerns, such as reliability, for which logging is essential.
Logging
Get ASP.NET Core 2 High Performance - Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.