All the node specifications of PolarDB for Oracle are dedicated nodes. The dedicated nodes indicate that the CPU, memory, storage, and I/O resources allocated to the nodes are dedicated to these nodes and are not shared by other nodes. Therefore, the performance of the dedicated nodes is more stable and reliable.

PolarDB for Oracle provides nodes of the following specifications for your choice.

Table 1. Specifications of compute nodes
Node type CPU and memory Maximum storage capacity Maximum number of connections Internal bandwidth Maximum IOPS I/O bandwidth
polar.o.x4.medium

2 cores

8 GB

5 TB 800 1 Gbps 16,000 1 Gbps
polar.o.x4.large

4 cores

16 GB

10 TB 1600 10 Gbps 64,000 4 Gbps
polar.o.x4.xlarge

8 cores

32 GB

10 TB 3,200 10 Gbps 128,000 8 Gbps
polar.o.x8.xlarge

8 cores

64 GB

30 TB 3,200 10 Gbps 160,000 10 Gbps
polar.o.x8.2xlarge

16 cores

128 GB

50 TB 12,800 10 Gbps 256,000 16 Gbps
polar.o.x8.4xlarge

32 cores

256 GB

50 TB 25,600 10 Gbps 384,000 24 Gbps
polar.o.x8.8xlarge

64 cores

512 GB

100 TB 36,000 10 Gbps 409,600 24 Gbps
polar.o.x8.12xlarge

88 cores

710 GB

100 TB 36,000 25 Gbps 512,000 32 Gbps