There are many problems which may cause performance lacks. - The Server should have 24GB Ram + - The Server should have 6 Cores + - The Database Server should have 32GB Ram reserved for SharePoint Databases and 4 Cores + - Perhaps you should turn off the distributed cache or reorganize it. - There could be database issues, with the degree of parallel tasks. optimize it These are only some of the issues. We perform audits for our customers which may take several hours or days for the complete analysis. Turn on the developer dashboard to get the times used for every action. So you might get the cause for the lacks.
SharePoint Consultant and Developer at acocon Author of Primary ROleplaying SysTem I'm the ninth in a row of seven!