This topic describes the instance types of hosts in ApsaraDB MyBase.

Hosts in ApsaraDB MyBase for MySQL dedicated clusters (with local SSDs)

Host instance typeInstance familyCPU coresMemory (GB)Local storage (GiB)Internal bandwidth (Gbit/s)CPU model
rds.i2g.16xlargei2g, instance family with local SSDs 642567,15210Intel Xeon(Skylake) Platinum 8163
rds.i2g.8xlargei2g, instance family with local SSDs 321283,5766Intel Xeon(Skylake) Platinum 8163
rds.i2g.4xlargei2g, instance family with local SSDs 16641,7883Intel Xeon(Skylake) Platinum 8163
rds.i2g.2xlargei2g, instance family with local SSDs 8328942Intel Xeon(Skylake) Platinum 8163
rds.i2.16xlargei2, instance family with local SSDs6451214,30410Intel Xeon(Skylake) Platinum 8163
rds.i2.8xlargei2, instance family with local SSDs322567,1526Intel Xeon(Skylake) Platinum 8163
rds.i2.4xlargei2, instance family with local SSDs161283,5763Intel Xeon(Skylake) Platinum 8163
rds.i2.2xlargei2, instance family with local SSDs 8641,7882Intel Xeon(Skylake) Platinum 8163
rds.i2.xlargei2, instance family with local SSDs 4328941Intel Xeon(Skylake) Platinum 8163

The following table describes the performance metrics of local SSDs.

Metricrds.i2.xlarge and rds.i2g.2xlargeOther i2 and i2g instance typesInstances of the highest specifications
Maximum capacity894 GiB1,788 GiB8 × 1,788 GiB
Maximum read IOPS150,000300,0001,500,000
Maximum read throughput1 GB/s2 GB/s16 GB/s
Maximum write throughput0.5 GB/s1 GB/s8 GB/s
Access latencyWithin microseconds

The values in the Instances of the highest specifications column represent the performance of rds.i2.16xlarge instances. These values represent the performance of local SSDs of the highest specifications in the i2 instance family.

Hosts in ApsaraDB MyBase for MySQL or ApsaraDB MyBase for PostgreSQL dedicated clusters (with enhanced SSDs)

Host instance typeInstance familyCPU coresMemory (GB)Internal bandwidth (Gbit/s)Storage IOPSDisk bandwidth (Gbit/s)CPU model
rds.ebmr6.26xlargeebmr6, memory-optimized ECS Bare Metal Instance family10476832210,00016Intel Xeon(Cascade Lake) Platinum 8269CY
rds.ebmg6.26xlargeebmg6, general-purpose ECS Bare Metal Instance family10438432210,00016Intel Xeon(Cascade Lake) Platinum 8269CY
rds.ebmc6.26xlargeebmc6, compute-optimized ECS Bare Metal Instance family10419232210,00016Intel Xeon(Cascade Lake) Platinum 8269CY
rds.ebmr5s.24xlargeebmr5s, network-enhanced memory-optimized ECS Bare Metal Instance family 9676830210,00016Intel Xeon(Skylake) Platinum 8163
rds.ebmg5s.24xlargeebmg5s, network-enhanced general-purpose ECS Bare Metal Instance family 9638430210,00016Intel Xeon(Skylake) Platinum 8163
rds.ebmc5s.24xlargeebmc5s, network-enhanced compute-optimized ECS Bare Metal Instance family 9619230210,00016Intel Xeon(Skylake) Platinum 8163
rds.ebmhfr6.20xlargeebmhfr6, memory-optimized ECS Bare Metal Instance family with high clock speeds8076832210,00016Intel Xeon(Cascade Lake) Platinum 8269CY
rds.ebmhfg6.20xlargeebmhfg6, general-purpose ECS Bare Metal Instance family with high clock speeds8038432210,00016Intel Xeon(Cascade Lake) Platinum 8269CY
rds.ebmhfc6.20xlargeebmhfc6, compute-optimized ECS Bare Metal Instance family with high clock speeds8019232210,00016Intel Xeon(Cascade Lake) Platinum 8269CY
rds.r5.16xlarger5, memory-optimized instance family 6451220N/AN/AIntel Xeon(Skylake) Platinum 8163 / Intel Xeon(Cascade Lake) Platinum 8269CY
rds.g5.16xlargeg5, general-purpose instance family 6425620N/AN/AIntel Xeon(Skylake) Platinum 8163 / Intel Xeon(Cascade Lake) Platinum 8269CY
rds.c5.16xlargec5, compute-optimized instance family 6412820N/AN/AIntel Xeon(Skylake) Platinum 8163 / Intel Xeon(Cascade Lake) Platinum 8269CY
rds.r6.13xlarger6, memory-optimized instance family 5238412.5100,0008Intel Xeon(Cascade Lake) Platinum 8269CY
rds.g6.13xlargeg6, general-purpose instance family 5219212.5100,0008Intel Xeon(Cascade Lake) Platinum 8269CY
rds.c6.13xlargec6, compute-optimized instance family 529612.5100,0008Intel Xeon(Cascade Lake) Platinum 8269CY
rds.r6.8xlarger6, memory-optimized instance family 322561060,0005Intel Xeon(Cascade Lake) Platinum 8269CY
rds.g6.8xlargeg6, general-purpose instance family321281060,0005Intel Xeon(Cascade Lake) Platinum 8269CY
rds.c6.8xlargec6, compute-optimized instance family32641060,0005Intel Xeon(Cascade Lake) Platinum 8269CY
rds.r6.6xlarger6, memory-optimized instance family241921050,0004Intel Xeon(Cascade Lake) Platinum 8269CY
rds.g6.6xlargeg6, general-purpose instance family 24961050,0004Intel Xeon(Cascade Lake) Platinum 8269CY
rds.c6.6xlargec6, compute-optimized instance family24481050,0004Intel Xeon(Cascade Lake) Platinum 8269CY
rds.r6.4xlarger6, memory-optimized instance family161281040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
rds.g6.4xlargeg6, general-purpose instance family 16641040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
rds.c6.4xlargec6, compute-optimized instance family16321040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
rds.r6.2xlarger6, memory-optimized instance family864825,0002Intel Xeon(Cascade Lake) Platinum 8269CY
rds.g6.2xlargeg6, general-purpose instance family832825,0002Intel Xeon(Cascade Lake) Platinum 8269CY
rds.c6.2xlargec6, compute-optimized instance family816825,0002Intel Xeon(Cascade Lake) Platinum 8269CY

Hosts in ApsaraDB MyBase for SQL Server dedicated clusters (with enhanced SSDs)

Host instance typeInstance familyCPU coresMemory (GB)Internal bandwidth (Gbit/s)Storage IOPSDisk bandwidth (Gbit/s)CPU model
mssql.cluster.host.c4xlargec6, compute-optimized instance family16321040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.g4xlargeg6, general-purpose instance family16641040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.r4xlarger6, memory-optimized instance family161281040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.g6xlargeg6, general-purpose instance family 24961050,0004Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.r6xlarger6, memory-optimized instance family 241921050,0004Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.c8xlargec6, compute-optimized instance family32641060,0005Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.g8xlargeg6, general-purpose instance family321281060,0005Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.r8xlarger6, memory-optimized instance family322561060,0005Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.g16xlargeg5, general-purpose instance family 6425620N/AN/AIntel Xeon(Skylake) Platinum 8163 / Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.r16xlarger5, memory-optimized instance family 6451220N/AN/AIntel Xeon(Skylake) Platinum 8163 / Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.c2xlargec6, compute-optimized instance family816825,0002Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.g2xlargeg6, general-purpose instance family832825,0002Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.r2xlarger6, memory-optimized instance family864825,0002Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.g4xlargeg6, general-purpose instance family16641040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.r4xlarger6, memory-optimized instance family161281040,0003Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.r6xlarger6, memory-optimized instance family241921050,0004Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.r8xlarger6, memory-optimized instance family322561060,0005Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.host.r16xlarger5, memory-optimized instance family6451220N/AN/AIntel Xeon(Skylake) Platinum 8163 / Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.eg20xlargeebmhfg6, general-purpose ECS Bare Metal Instance family with high clock speeds8038432210,00016Intel Xeon(Cascade Lake) Platinum 8269CY
mssql.cluster.host.er20xlargeebmhfr6, memory-optimized ECS Bare Metal Instance family with high clock speeds8076832210,00016Intel Xeon(Cascade Lake) Platinum 8269CY