This topic provides an overview of read-only ApsaraDB RDS for PPAS instance types, which include the most recent instance types. The overview includes the specifications for each instance type.

Read-only ApsaraDB RDS for PPAS instances

Role Database engine version Instance family Instance type CPU and memory specifications Maximum number of connections Maximum IOPS Storage capacity
Read-only instance

10

General-purpose instance family rds.ppas.t1.small 1 core, 1 GB 100 1200 150GB
Dedicated instance family ppas.x4.small.2 1 core, 4 GB 200 5000 250GB
ppas.x4.medium.2 2 cores, 8 GB 400 10000
ppas.x8.medium.2 2 cores, 16 GB 2500 15000
ppas.x4.large.2 4 cores, 16 GB 2500 20000 250GB/500GB
ppas.x8.large.2 4 cores, 32 GB 5000 30000
ppas.x4.xlarge.2 8 cores, 32 GB 5000 40000 500GB/1000GB
ppas.x8.xlarge.2 8 cores, 64 GB 10000 60000
ppas.x4.2xlarge.2 16 cores, 64 GB 10000 80000 1000GB/2000GB
ppas.x8.2xlarge.2 16 cores, 128 GB 12000 120000
ppas.x4.4xlarge.2 32 cores, 128 GB 12000 160000 2000GB/3000GB
ppas.x8.4xlarge.2 32 cores, 256 GB 12000 240000
Dedicated host instance family rds.ppas.st.h43 60 cores, 470 GB 12000 450000 3000GB/4000GB/5000GB/6000GB