If you want even closer-to-vanilla performance, you may consider using Fabric with optimization mods instead of Paper.
//www.reddit.com/r/admincraft/comments/1ac3lal/what_is_the_best_way_to_make_paper_as_close_as/">Reddit r/admincraft discussion to make Paper as close to Vanilla as possible. Paper "Legit" Settings AlterNative legit settings.rar
Based on your request, it seems you are looking for configuration settings for a software—likely "Paper" (a Minecraft server software) or a similar application—to make it run in a "legit" or vanilla-like manner (i.e., reducing non-vanilla gameplay mechanics). If you want even closer-to-vanilla performance, you may
What is the best way to make Paper as close as possible to Vanilla? If you want even closer-to-vanilla performance
nerf-spawner-mobs : false (Ensures mobs from spawners act normally) max-entity-collisions : 8 (Vanilla default)