Feb 09 2017 03:34 AM - edited Feb 09 2017 03:35 AM
The attached poster gives an overview of the search architecture in SharePoint Server 2016. It describes the search components and databases in the search architecture and how these interact. It also shows an example of a medium-sized search farm.
Feb 10 2017 05:31 AM
@Deleted since you like that poster, you may like this site that contains many more, https://technet.microsoft.com/en-us/library/dn919927.aspx?f=255&MSPPError=-2147217396