Ideal time for Sonar Analysis

Hi Team

I’m evaluating the Enterprise edition on our Product.
Sonar Scanning and analysis is taking around 2 Hours (LOC is 3 Million).

What is the ideal time for analysis of 3 Million lines of code?

Help me with performance improvement techniques.

SonarQube 8.4.1
Sonar Scanner 4.4.0
Analyzing C#, Javascript, Html, XML, SQL, and CSS