HANA SCALE-UP Vs SCALE-OUT


There are two ways to scale SAP HANA into large systems – up, or out.


SCALE UP [SAP HANA]
Build a single system with as many resources as possible.

SCALE OUT [SAP HANA]
Scale-out systems connect a cluster of smaller SAP HANA systems together into one clustered database


SHOULD YOU SCALE UP OR SCALE OUT ?
SAP recommends to scale-up first before considering scale-out. With scale-up, you don’t have any of the expense of GPFS or a SAN, and none of the complexity of managing a cluster.

Use Case:
An 8-socket 6TB system will fit 95% of SAP customers.

If you don’t need more than 2TB in the short-mid term, then don’t buy scale-out. Instead, buy a scale-up system that will meet your requirements today
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