This topic describes the comparison between the pay-as-you-go and subscription billing methods supported by compute nodes in a PolarDB for MySQL cluster.
Flexibility
Billing method | Fee for configuration change | |||
Pay-as-you-go | Supported. | Supported. | Supported. |
|
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
The following table describes the prices of an individual compute node in a cluster that is deployed in a Chinese mainland region.
Edition | Node instance type CPU and memory | Pay-as-you-go | Subscription |
Multi-master Cluster (Database/Table) Edition (Dedicated) | polar.mysql.mmx4.xlarge 8 cores, 32 GB memory | USD 0.646/hour | USD 310/month (USD 0.431/hour) |
polar.mysql.mmx8.xlarge 8 cores, 64 GB memory | USD 1.033/hour | USD 496/month (USD 0.689/hour) | |
polar.mysql.mmx4.2xlarge 16 cores, 64 GB memory | USD 1.290/hour | USD 619/month (USD 0.860/hour) | |
polar.mysql.mmx8.2xlarge 16 cores, 128 GB memory | USD 2.065/hour | USD 991/month (USD 1.376/hour) | |
polar.mysql.mmx4.4xlarge 32 cores, 128 GB memory | USD 2.580/hour | USD 1,238/month (USD 1.719/hour) | |
polar.mysql.mmx8.4xlarge 32 cores, 256 GB memory | USD 4.129/hour | USD 1,982/month (USD 2.753/hour) | |
polar.mysql.mmx8.8xlarge 64 cores, 512 GB memory | USD 8.256/hour | USD 3,963/month (USD 5.504/hour) | |
polar.mysql.mmx8.12xlarge 88 cores, 710 GB memory | USD 11.352/hour | USD 5,449/month (USD 7.568/hour) | |
Multi-master Cluster (Database/Table) Edition (General-purpose) | polar.mysql.mmg2.xlarge 8 cores, 16 GB memory | USD 0.339/hour | USD 163/month USD 0.226/hour |
polar.mysql.mmg4.xlarge 8 cores, 32 GB memory | USD 0.532/hour | USD 255/month (USD 0.354/hour) | |
polar.mysql.mmg4.2xlarge 16 cores, 64 GB memory | USD 1.048/hour | USD 503/month (USD 0.699/hour) | |
polar.mysql.mmg6.2xlarge 16 cores, 96 GB memory | USD 1.303/hour | USD 635/month (USD 0.882/hour) | |
polar.mysql.mmg8.2xlarge 16 cores, 128 GB memory | USD 1.676/hour | USD 796/month (USD 1.106/hour) | |
polar.mysql.mmg4.4xlarge 32 cores, 128 GB memory | USD 2.096/hour | USD 1,006/month (USD 1.398/hour) | |
Cluster Edition (Dedicated) | polar.mysql.x4.medium 2 cores, 8 GB memory | USD 0.092/hour | USD 44/month (USD 0.061/hour) |
polar.mysql.x4.large 4 cores, 16 GB memory | USD 0.323/hour | USD 155/month (USD 0.215/hour) | |
polar.mysql.x4.xlarge 8 cores, 32 GB memory | USD 0.646/hour | USD 310/month (USD 0.431/hour) | |
polar.mysql.x8.xlarge 8 cores, 64 GB memory | USD 1.033/hour | USD 496/month (USD 0.689/hour) | |
polar.mysql.x8.2xlarge 16 cores, 128 GB memory | USD 2.065/hour | USD 991/month (USD 1.376/hour) | |
polar.mysql.x8.4xlarge 32 cores, 256 GB memory | USD 4.129/hour | USD 1,982/month (USD 2.753/hour) | |
polar.mysql.x8.8xlarge 64 cores, 512 GB memory | USD 8.256/hour | USD 3,963/month (USD 5.504/hour) | |
polar.mysql.x8.12xlarge 88 cores, 710 GB memory | USD 11.352/hour | USD 5,449/month (USD 7.568/hour) | |
Cluster Edition (General-purpose) | polar.mysql.g2.medium 2 cores, 4 GB memory | USD 0.081/hour | USD 39/month (USD 0.054/hour) |
polar.mysql.g4.medium 2 cores, 8 GB memory | USD 0.090/hour | USD 43/month (USD 0.060/hour) | |
polar.mysql.g2.large 4 cores, 8 GB memory | USD 0.153/hour | USD 74/month (USD 0.103/hour) | |
polar.mysql.g4.large 4 cores, 16 GB memory | USD 0.274/hour | USD 132/month (USD 0.183/hour) | |
polar.mysql.g2.xlarge 8 cores, 16 GB memory | USD 0.339/hour | USD 163/month USD 0.226/hour | |
polar.mysql.g4.xlarge 8 cores, 32 GB memory | USD 0.532/hour | USD 255/month (USD 0.354/hour) | |
polar.mysql.g4.2xlarge 16 cores, 64 GB memory | USD 1.048/hour | USD 503/month (USD 0.699/hour) |