This topic compares the following billing methods for PolarDB for MySQL compute nodes: pay-as-you-go together with the compute plan, pay-as-you-go, and subscription.

Flexibility

Item Manually change specifications Auto-scaling Release a cluster Fee for configuration changes
Pay-as-you-go together with the compute plan Supported Supported Supported
  • 35% to 56% off compared with pay-as-you-go.
  • No additional fees.
Pay-as-you-go Supported Supported Supported
  • Fees are charged based on the new specifications on an hourly basis.
  • No additional fees.
Subscription Supported Not supported To release a subscription cluster, you must apply to unsubscribe from the cluster, or change the billing method to a pay-as-you-go first. When you upgrade or downgrade a subscription cluster, or add or remove a node, the discount for new clusters is not offered.

Prices

Note The following table describes the prices of an individual compute node in a cluster deployed in mainland China.
Edition Node specification code

CPU and memory

 Pay-as-you-go Subscription
Cluster Edition polar.mysql.x4.medium

2 cores, 8 GB

 USD 0.092/hour

USD 44/month

(USD 0.061/hour)
polar.mysql.x4.large

4 cores, 16 GB

 USD 0.323/hour

USD 155/month

(USD 0.215/hour)
polar.mysql.x4.xlarge

8 cores, 32 GB

 USD 0.646/hour

USD 310/month

(USD 0.431/hour)
polar.mysql.x8.xlarge

8 cores, 64 GB

 USD 1.033/hour

USD 496/month

(USD 0.689/hour)
polar.mysql.x8.2xlarge

16 cores, 128 GB

 USD 2.065/hour

USD 991/month

(USD 1.376/hour)
polar.mysql.x8.4xlarge

32 cores, 256 GB

 USD 4.129/hour

USD 1,982/month

(USD 2.753/hour)
polar.mysql.x8.8xlarge

64 cores, 512 GB

 USD 8.256/hour

USD 3,963/month

(USD 5.504/hour)
polar.mysql.x8.12xlarge

88 cores, 710 GB

 USD 11.352/hour

USD 5,449/month

(USD 7.568/hour)
Single Node polar.mysql.s2.large

4 cores, 8 GB

 USD 0.09/hour

USD 44/month

(USD 0.061/hour)
Archive Database polar.mysql.a4.large

4 cores, 16 GB

 USD 0.323/hour

USD 155/month

(USD 0.215/hour)
polar.mysql.a4.xlarge

8 cores, 32 GB

 USD 0.646/hour

USD 310/month

(USD 0.431/hour)
polar.mysql.a8.xlarge

8 cores, 64 GB

 USD 1.033/hour

USD 496/month

(USD 0.689/hour)
polar.mysql.a8.2xlarge

16 cores, 128 GB

 USD 2.065/hour

USD 991/month

(USD 1.376/hour)
polar.mysql.a8.4xlarge

32 cores, 256 GB

 USD 4.129/hour

USD 1,982/month

(USD 2.753/hour)
polar.mysql.a8.8xlarge

64 cores, 512 GB

 USD 8.256/hour

USD 3,963/month

(USD 5.504/hour)
polar.mysql.a8.12xlarge

88 cores, 710 GB

 USD 11.352/hour

USD 5,449/month

(USD 7.568/hour)