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

**Table 1** Regions supported by GaussDB
Instance Type	Specification Type	Billing Mode	Region
Distributed	Dedicated (1:4)	Pay-per-use	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
		Yearly/monthly	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
	Kunpeng dedicated (1:8)	Pay-per-use	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
		Yearly/monthly	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
	General-purpose (1:4)	Pay-per-use	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
		Yearly/monthly	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
Primary/Standby	Dedicated (1:4)	Pay-per-use	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
		Yearly/monthly	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
	General-purpose (1:4)	Pay-per-use	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1
		Yearly/monthly	AP-Singapore
			CN East-Shanghai1
			CN North-Beijing4
			CN South-Guangzhou
			CN Southwest-Guiyang1
			AF-Johannesburg
			LA-Sao Paulo1

**Table 2** Instance specifications
Service 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
			32	128	2,000
			64	256	4,000
		Dedicated (1:8) NOTE: Dedicated (1:8) is based on the x86 architecture.	8	64	1,000
			16	128	2,000
			32	256	4,000
			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
			32	128	2,000
			64	256	4,000
		Kunpeng dedicated (1:8) NOTE: Kunpeng dedicated (1:8) is based on the Arm architecture.	8	64	1,000
			16	128	2,000
			32	256	4,000
			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
			32	128	5,000
		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
			32	256	11,000
			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
			32	128	5,000
		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
			32	256	11,000
			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
	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