Instance Specifications

GaussDB instances in different regions support x86 or Arm architecture. For details, see Table 1. GaussDB instances also support different specifications. For details, see Table 2.

x86: Dedicated (with a vCPU-to-memory ratio of 1:4), dedicated (with a vCPU-to-memory ratio of 1:8), and general-purpose (with a vCPU-to-memory ratio of 1:4)
Arm: Kunpeng dedicated (with a vCPU-to-memory ratio of 1:4) and Kunpeng dedicated (with a vCPU-to-memory ratio of 1:8)

**Table 1** Supported regions
Edition Type	Instance Type	Specification Type	Billing Mode	Region
Enterprise edition	Distributed	Dedicated (1:4) Dedicated (1:8) Kunpeng dedicated (1:4)	Pay-per-use and yearly/monthly	ME-Riyadh TR-Istanbul AP-Singapore LA-Sao Paulo1 AF-Johannesburg AP-Jakarta AP-Bangkok CN-Hong Kong LA-Mexico City2 CN Southwest-Guiyang1 LA-Santiago CN North-Beijing4 RU-Moscow2 CN East 2
		Kunpeng dedicated (1:8)	Pay-per-use	TR-Istanbul AP-Singapore AF-Johannesburg LA-Sao Paulo1 AP-Jakarta AP-Bangkok CN-Hong Kong LA-Mexico City2 CN Southwest-Guiyang1 LA-Santiago CN North-Beijing4 RU-Moscow2 CN East 2
		Kunpeng dedicated (1:8)	Yearly/Monthly	AP-Singapore LA-Sao Paulo1 AF-Johannesburg AP-Jakarta AP-Bangkok CN-Hong Kong LA-Mexico City2 CN Southwest-Guiyang1 LA-Santiago CN North-Beijing4 RU-Moscow2 CN East 2
	Primary/Standby	Dedicated (1:4) Dedicated (1:8) Kunpeng dedicated (1:4) Kunpeng dedicated (1:8)	Pay-per-use and yearly/monthly	ME-Riyadh TR-Istanbul AP-Singapore AF-Johannesburg LA-Sao Paulo1 AP-Bangkok AP-Jakarta CN-Hong Kong LA-Mexico City2 LA-Santiago CN Southwest-Guiyang1 CN North-Beijing4 RU-Moscow2 CN East 2
Basic edition	Distributed	Dedicated (1:4) Dedicated (1:8) Kunpeng dedicated (1:4)	Pay-per-use	ME-Riyadh AF-Johannesburg LA-Sao Paulo1 CN-Hong Kong CN South-Guangzhou LA-Santiago AP-Singapore TR-Istanbul CN Southwest-Guiyang1 AP-Bangkok LA-Mexico City2 CN East-Shanghai1 CN North-Beijing4 AP-Jakarta CN East 2
	Distributed	Kunpeng dedicated (1:8)	Pay-per-use	CN South-Guangzhou CN East-Shanghai1 CN Southwest-Guiyang1 CN North-Beijing4 CN East 2
	Primary/Standby	General-purpose (1:4) Dedicated (1:4) Dedicated (1:8) Kunpeng dedicated (1:4)	Pay-per-use	ME-Riyadh AP-Jakarta AF-Johannesburg CN South-Guangzhou LA-Sao Paulo1 LA-Mexico City2 CN-Hong Kong CN East-Shanghai1 CN North-Beijing4 CN Southwest-Guiyang1 TR-Istanbul AP-Singapore AP-Bangkok LA-Santiago CN East 2
	Primary/Standby	Kunpeng dedicated (1:8)	Pay-per-use	CN East-Shanghai1 CN South-Guangzhou CN Southwest-Guiyang1 CN North-Beijing4 CN East 2

**Table 2** Instance specifications
Edition Type	DB Instance Type	Specification Type	vCPUs	Memory (GB)	Default Maximum Connections (Per CN)
Enterprise edition	Distributed	Dedicated (1:4) NOTE: Dedicated (1:4) is based on the x86 architecture.	8	32	100
			16	64	1,000
			24	96	3000
			32	128	3000
			48	192	3000
			64	256	4,000
			96	384	6000
		Dedicated (1:8) NOTE: Dedicated (1:8) is based on the x86 architecture.	8	64	1,000
			16	128	2,000
			24	192	3000
			32	256	4,000
			48	384	6000
			64	512	8,000
		Kunpeng dedicated (1:4) NOTE: Kunpeng dedicated (1:4) is based on the Arm architecture.	8	32	100
			16	64	1,000
			24	96	3000
			32	128	2,000
			48	192	3000
			64	256	4,000
			96	384	3000
		Kunpeng dedicated (1:8) NOTE: Kunpeng dedicated (1:8) is based on the Arm architecture.	8	64	1,000
			16	128	2,000
			24	192	3000
			32	256	4,000
			48	384	6000
			60	480	8,000
	Primary/Standby	Dedicated (1:4) NOTE: Dedicated (1:4) is based on the x86 architecture.	4	16	300
			8	32	600
			16	64	2,048
			24	96	2048
			32	128	5,000
			48	192	3000
			96	384	6000
		Dedicated (1:8) NOTE: Dedicated (1:8) is based on the x86 architecture.	4	32 NOTE: This specification is not available for production environments, but you can submit a service ticket to request it at Service Tickets > Create Service Ticket in the upper right corner of the management console.	600
			8	64 NOTE: Only primary/standby instances of version 2.6 or later can be used in the production environment.	2,048
			16	128	5,000
			24	192	3000
			32	256	11,000
			48	384	6000
			64	512	25,000
		Kunpeng dedicated (1:4) NOTE: Kunpeng dedicated (1:4) is based on the Arm architecture.	4	16	300
			8	32	600
			16	64	2,048
			24	96	2048
			32	128	5,000
			48	192	3000
			96	384	6000
		Kunpeng dedicated (1:8) NOTE: Kunpeng dedicated (1:8) is based on the Arm architecture.	4	32 NOTE: This specification is not available for production environments, but you can submit a service ticket to request it at Service Tickets > Create Service Ticket in the upper right corner of the management console.	600
			8	64 NOTE: Only primary/standby instances of version 2.6 or later can be used in the production environment.	2,048
			16	128	5,000
			24	192	3000
			32	256	11,000
			48	384	6000
			60	480	24,000
Basic edition	Distributed	Dedicated (1:4) NOTE: Dedicated (1:4) is based on the x86 architecture.	16	64	200
			32	128	350
			64	256	900
		Dedicated (1:8) NOTE: Dedicated (1:8) is based on the x86 architecture.	16	128	350
			32	256	900
			64	512	2,000
		Kunpeng dedicated (1:4) NOTE: Kunpeng dedicated (1:4) is based on the Arm architecture.	16	64	200
			32	128	350
		Kunpeng dedicated (1:8) NOTE: Kunpeng dedicated (1:8) is based on the Arm architecture.	16	128	350
			32	256	900
			60	480	1,800
		Favored (1:4) NOTE: Favored (1:4) is based on the x86 architecture.	16	64	200
			32	128	350
			64	256	2000
		Favored (1:8) NOTE: Favored (1:8) is based on the x86 architecture.	16	128	350
			32	256	900
			64	512	2000
	Primary/Standby	General-purpose (1:4) NOTE: General-purpose (1:4) is based on the x86 architecture.	4	16	300
			8	32	600
		Dedicated (1:4) NOTE: Dedicated (1:4) is based on the x86 architecture.	4	16	300
			8	32	600
			16	64	2,048
			32	128	5,000
			64	256	11,000
		Kunpeng dedicated (1:4) NOTE: Kunpeng dedicated (1:4) is based on the Arm architecture.	4	16	300
			8	32	600
			16	64	2,048
			32	128	5,000
		Favored (1:4) NOTE: Favored (1:4) is based on the x86 architecture.	4	16	300
			8	32	600
			16	64	2,048
			32	128	5,000
			64	256	11000
		Favored (1:8) NOTE: Favored (1:8) is based on the x86 architecture.	8	64	1,000
			16	128	2,000
			32	256	4,000
			64	512	8000