SAP HANA needs at least 128GB of RAM, ideally 1 core can control 16GB of memory, SAP HANA can use 90% of available memory
Sap HANA and SAP HANA Studio should be the same version to avoid issues.
The disk layer has the data volumes and the log volumes and this is a non volatile data storage.
The storage engine helps in data pages and exchange from RAM to disks
Relational engines has the column store and row store the place where it stores data in the RAM
Process or execution engines- process and executes the queries
External interfaces – communicates with HANA Databases, helps in admin data loads and queries.