I faced an issue with sharepoint search where full crawl takes too long to complete nearly 240 hours. Requirement was how to reduce the full crawl time.
SharePoint 2019 feature id and feature list you can find out using powershell. You will understand basic powershell commands related to Get-SPFeature so as to get sharepoint feature id details and features related ot this sharepoint feature id. Follow step by step procesure to find out how to get sharepoint 2019 features id and features.