You can use the sizing guidelines for VMware Aria Operations (formerly known as vRealize Operations) to determine the configurations to be used during installation.

Recommended sizing for vRealize Operations 8.2 and later can be checked by inputting values on vropssizer.vmware.com, or by inputting values on the spreadsheet attached in the respective article.

VMware vRealize Operations 8.x
VMware vRealize Operations 8.10.x
VMware vRealize Operations Manager 6.5.x
VMware Aria Operations 8.12.x
VMware vRealize Operations Manager 7.5.x
VMware vRealize Operations 8.0.x
VMware Aria Operations 8.14.x
VMware vRealize Operations Manager 6.7.x
VMware vRealize Operations 8.2.x
VMware vRealize Operations Manager 6.4.x
VMware vRealize Operations 8.1.x
VMware vRealize Operations Manager 7.0.x
VMware vRealize Operations 8.6.x
VMware vRealize Operations 8.3.x
VMware vRealize Operations 8.5.x
VMware vRealize Operations Manager 6.3.x
VMware vRealize Operations Manager 6.6.x
VMware vRealize Operations 8.4.x

For information about the sizing guidelines for vRealize Operations 6.0, 6.0.x, 6.1, 6.2.x, 6.3.x, 6.4, 6.5, 6.6.x, 6.7, 7.0, 7.5, 8.0.x, 8.1.x, 8.2, 8.3, 8.4, 8.5, 8.6, and 8.10.x, VMware Aria Operations 8.12.x, 8.14 and 8.16, or VMware Aria Operations (SaaS) (formerly known as vRealize Operations Cloud) Cloud Proxy, access the KB articles listed in the following table:
 

VMware Aria Operations Version	Knowledge Base Article
VMware Aria Operations (SaaS)	VMware Aria Operations (SaaS) Sizing Guidelines (78491)
8.17.x	VMware Aria Operations 8.17.1 Sizing Guidelines (97068)
8.16	VMware Aria Operations 8.16 Sizing Guidelines (96198)
8.14	VMware Aria Operations 8.14 Sizing Guidelines (94645)
8.12.x	VMware Aria Operations 8.12.x Sizing Guidelines (91692)
8.10.x	vRealize Operations 8.10.x Sizing Guidelines (89585)
8.6.3	vRealize Operations 8.6.3 Sizing Guidelines (88610)
8.6.0, 8.6.1, 8.6.2	vRealize Operations 8.6.0, 8.6.1, and 8.6.2 Sizing Guidelines (85832)
8.5	vRealize Operations 8.5 Sizing Guidelines (85062)
8.4	vRealize Operations 8.4 Sizing Guidelines (83267)
8.3	vRealize Operations 8.3 Sizing Guidelines (82344)
8.2	vRealize Operations 8.2 Sizing Guidelines (80893)
8.1.x	vRealize Operations 8.1.x Sizing Guidelines (78495)
8.0.x	vRealize Operations 8.0.x Sizing Guidelines (75162)
7.5	vRealize Operations Manager 7.5 Sizing Guidelines (67752)
7.0	vRealize Operations Manager 7.0 Sizing Guidelines (57903)
6.7	vRealize Operations Manager 6.7 Sizing Guidelines (54370)
6.6.x	vRealize Operations Manager 6.6.x Sizing Guidelines (2150421)
6.5	vRealize Operations Manager 6.5 Sizing Guidelines (2148829)
6.4	vRealize Operations Manager 6.4 Sizing Guidelines (2147780)
6.3.x	vRealize Operations Manager 6.3.x Sizing Guidelines (2146615)
6.1, 6.2.x	vRealize Operations Manager 6.1 and 6.2.x Sizing Guidelines (2130551)
6.0.x	vRealize Operations Manager 6.0.x Sizing Guidelines (2109312)
6.0	vRealize Operations Manager 6.0 Sizing Guidelines (2109314)

• 简体中文: vRealize Operations Manager 调整大小准则 (2112123)
• 日本語: vRealize Operations Manager のサイズ変更のガイドライン (2124497