Here are some useful linkshttps://helpx.adobe.com/experience-manager/6-2/managing/using/capacity-guide.htmlhttps://www.aemtutorial.info/2018/01/steps-to-migrate-third-party-cms.htmlhttps://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/aem-content-migration-tool/qaq-p/225822