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

Flexibility

Item Manually upgrade or downgrade a PolarDB cluster Auto-scaling Release a cluster Fee for specification change
Pay-as-you-go Supported Supported Supported
  • Fees are charged based on the new specification on an hourly basis.
  • No additional fees.
Subscription Supported 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, the discount is not available for the new clusters.

Pricing

Note The following table describes the prices of an individual compute node in a cluster that is deployed in a Chinese mainland region.
Table 1. Monthly subscription price of a compute node
Edition Node instance type

CPU and memory specification

Pay-as-you-go Subscription
Multi-master Cluster Edition (Dedicated) polar.mysql.mmx4.large

4 cores and 16 GB of memory

USD 0.323/hour

USD 155/month

(USD 0.215/hour)

polar.mysql.mmx4.xlarge

8 cores and 32 GB of memory

USD 0.646/hour

USD 310/month

(USD 0.431/hour)

polar.mysql.mmx8.xlarge

8 cores and 64 GB of memory

USD 1.033/hour

USD 496/month

(USD 0.689/hour)

polar.mysql.mmx8.2xlarge

16 cores and 128 GB of memory

USD 2.065/hour

USD 991/month

(USD 1.376/hour)

polar.mysql.mmx8.4xlarge

32 cores and 256 GB of memory

USD 4.129/hour

USD 1,982/month

(USD 2.753/hour)

polar.mysql.mmx8.8xlarge

64 cores and 512 GB of memory

USD 8.256/hour

USD 3,963/month

(USD 5.504/hour)

polar.mysql.mmx8.12xlarge

88 cores and 710 GB of memory

USD 11.352/hour

USD 5,449/month

(USD 7.568/hour)

Multi-master Cluster Edition (General-purpose) polar.mysql.mmg2.large

4 cores and 8 GB of memory

USD 0.153/hour

USD 74/month

(USD 0.103/hour)

polar.mysql.mmg4.large

4 cores and 16 GB of memory

USD 0.274/hour

USD 132/month

(USD 0.183/hour)

polar.mysql.mmg2.xlarge

8 cores and 16 GB of memory

USD 0.339/hour

USD 163/month

USD 0.226/hour

polar.mysql.mmg4.xlarge

8 cores and 32 GB of memory

USD 0.532/hour

USD 255/month

(USD 0.354/hour)

polar.mysql.mmg4.2xlarge

16 cores and 64 GB of memory

USD 1.048/hour

USD 503/month

(USD 0.699/hour)

polar.mysql.mmg4.4xlarge

32 cores and 128 GB of memory

USD 2.096/hour

USD 1,006/month

(USD 1.398/hour)

Cluster Edition (Dedicated) polar.mysql.x4.medium

2 cores and 8 GB of memory

USD 0.092/hour

USD 44/month

(USD 0.061/hour)

polar.mysql.x4.large

4 cores and 16 GB of memory

USD 0.323/hour

USD 155/month

(USD 0.215/hour)

polar.mysql.x4.xlarge

8 cores and 32 GB of memory

USD 0.646/hour

USD 310/month

(USD 0.431/hour)

polar.mysql.x8.xlarge

8 cores and 64 GB of memory

USD 1.033/hour

USD 496/month

(USD 0.689/hour)

polar.mysql.x8.2xlarge

16 cores and 128 GB of memory

USD 2.065/hour

USD 991/month

(USD 1.376/hour)

polar.mysql.x8.4xlarge

32 cores and 256 GB of memory

USD 4.129/hour

USD 1,982/month

(USD 2.753/hour)

polar.mysql.x8.8xlarge

64 cores and 512 GB of memory

USD 8.256/hour

USD 3,963/month

(USD 5.504/hour)

polar.mysql.x8.12xlarge

88 cores and 710 GB of memory

USD 11.352/hour

USD 5,449/month

(USD 7.568/hour)

Cluster Edition (General-purpose) polar.mysql.g2.medium

2 cores and 4 GB of memory

USD 0.081/hour

USD 39/month

(USD 0.054/hour)

polar.mysql.g4.medium

2 cores and 8 GB of memory

USD 0.090/hour

USD 43/month

(USD 0.060/hour)

polar.mysql.g2.large

4 cores and 8 GB of memory

USD 0.153/hour

USD 74/month

(USD 0.103/hour)

polar.mysql.g4.large

4 cores and 16 GB of memory

USD 0.274/hour

USD 132/month

(USD 0.183/hour)

polar.mysql.g2.xlarge

8 cores and 16 GB of memory

USD 0.339/hour

USD 163/month

USD 0.226/hour

polar.mysql.g4.xlarge

8 cores and 32 GB of memory

USD 0.532/hour

USD 255/month

(USD 0.354/hour)

polar.mysql.g4.2xlarge

16 cores and 64 GB of memory

USD 1.048/hour

USD 503/month

(USD 0.699/hour)

Single Node Edition polar.mysql.s2.large

4 cores and 8 GB of memory

USD 0.09/hour

USD 44/month

(USD 0.061/hour)

X-Engine (Dedicated) polar.mysql.ax4.large

4 cores and 16 GB of memory

USD 0.323/hour

USD 155/month

(USD 0.215/hour)

polar.mysql.ax4.xlarge

8 cores and 32 GB of memory

USD 0.646/hour

USD 310/month

(USD 0.431/hour)

polar.mysql.ax8.xlarge

8 cores and 64 GB of memory

USD 1.033/hour

USD 496/month

(USD 0.689/hour)

polar.mysql.ax8.2xlarge

16 cores and 128 GB of memory

USD 2.065/hour

USD 991/month

(USD 1.376/hour)

polar.mysql.ax8.4xlarge

32 cores and 256 GB of memory

USD 4.129/hour

USD 1,982/month

(USD 2.753/hour)

polar.mysql.ax8.8xlarge

64 cores and 512 GB of memory

USD 8.256/hour

USD 3,963/month

(USD 5.504/hour)

polar.mysql.ax8.12xlarge

88 cores and 710 GB of memory

USD 11.352/hour

USD 5,449/month

(USD 7.568/hour)

X-Engine (General-purpose) polar.mysql.ag2.large

4 cores and 8 GB of memory

USD 0.153/hour

USD 74/month

(USD 0.103/hour)

polar.mysql.ag4.large

4 cores and 16 GB of memory

USD 0.274/hour

USD 132/month

(USD 0.183/hour)

polar.mysql.ag2.xlarge

8 cores and 16 GB of memory

USD 0.339/hour

USD 163/month

USD 0.226/hour

polar.mysql.ag4.xlarge

8 cores and 32 GB of memory

USD 0.532/hour

USD 255/month

(USD 0.354/hour)

polar.mysql.ag4.2xlarge

16 cores and 64 GB of memory

USD 1.048/hour

USD 503/month

(USD 0.699/hour)

polar.mysql.ag4.4xlarge

32 cores and 128 GB of memory

USD 2.096/hour

USD 1,006/month

(USD 1.398/hour)