This topic describes the PolarDB for MySQL compute nodes that support the two following billing methods: pay-as-you-go and subscription.

Flexibility

Item Procedures Auto-scaling Release a cluster Fee for configuration changes
Pay-as-you-go Supported Supported Supported
  • Fees are charged based on the new specification on an hourly basis.
  • No additional fees.
Subscription Supported Not supported To release a subscription cluster, you must unsubscribe the cluster or change the billing method to pay-as-you-go. When you upgrade or downgrade a subscription cluster, or add or remove nodes, you are not eligible for the discount on new clusters.

Prices

Note The following table describes the prices of an individual compute node in a cluster that is deployed in mainland China.
Table 1. Monthly subscription price of a compute node
Edition Node specification code

CPU and memory

 Pay-as-you-go Subscription
Cluster Edition (Dedicated) 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)
Cluster Edition (General-purpose) polar.mysql.g2.medium

2 cores, 4 GB

 USD 0.081/hour

USD 39/month

(USD 0.054/hour)
polar.mysql.g4.medium

2 cores, 8 GB

 USD 0.090/hour

USD 43/month

(USD 0.060/hour)
polar.mysql.g2.large

4 cores, 8 GB

 USD 0.153/hour

USD 74/month

(USD 0.103/hour)
polar.mysql.g4.large

4 cores, 16 GB

 USD 0.274/hour

USD 132/month

(USD 0.183/hour)
polar.mysql.g2.xlarge

8 cores, 16 GB

 USD 0.339/hour

USD 163/month

USD 0.226/hour
polar.mysql.g4.xlarge

8 cores, 32 GB

 USD 0.532/hour

USD 255/month

(USD 0.354/hour)
polar.mysql.g4.2xlarge

16 cores, 64 GB

 USD 1.048/hour

USD 503/month

(USD 0.699/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)