This topic compares the pay-as-you-go and subscription billing methods supported by compute nodes in a PolarDB for MySQL cluster.
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 |
|
| 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
| Edition | Node instance type
CPU and memory specification |
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) |
|
| Single Node Edition | polar.mysql.s2.large
4 cores, 8 GB memory |
USD 0.09/hour |
USD 44/month (USD 0.061/hour) |
| X-Engine Edition (Dedicated) | polar.mysql.ax4.large
4 cores,16 GB memory |
USD 0.323/hour |
USD 155/month (USD 0.215/hour) |
| polar.mysql.ax4.xlarge
8 cores, 32 GB memory |
USD 0.646/hour |
USD 310/month (USD 0.431/hour) |
|
| polar.mysql.ax8.xlarge
8 cores, 64 GB memory |
USD 1.033/hour |
USD 496/month (USD 0.689/hour) |
|
| polar.mysql.ax8.2xlarge
16 cores, 128 GB memory |
USD 2.065/hour |
USD 991/month (USD 1.376/hour) |
|
| polar.mysql.ax8.4xlarge
32 cores, 256 GB memory |
USD 4.129/hour |
USD 1,982/month (USD 2.753/hour) |
|
| polar.mysql.ax8.8xlarge
64 cores, 512 GB memory |
USD 8.256/hour |
USD 3,963/month (USD 5.504/hour) |
|
| polar.mysql.ax8.12xlarge
88 cores, 710 GB memory |
USD 11.352/hour |
USD 5,449/month (USD 7.568/hour) |
|
| X-Engine Edition (General-purpose) | polar.mysql.ag2.large
4 cores, 8 GB memory |
USD 0.153/hour |
USD 74/month (USD 0.103/hour) |
| polar.mysql.ag4.large
4 cores,16 GB memory |
USD 0.274/hour |
USD 132/month (USD 0.183/hour) |
|
| polar.mysql.ag2.xlarge
8 cores, 16 GB memory |
USD 0.339/hour |
USD 163/month USD 0.226/hour |
|
| polar.mysql.ag4.xlarge
8 cores, 32 GB memory |
USD 0.532/hour |
USD 255/month (USD 0.354/hour) |
|
| polar.mysql.ag4.2xlarge
16 cores, 64 GB memory |
USD 1.048/hour |
USD 503/month (USD 0.699/hour) |
|
| polar.mysql.ag4.4xlarge
32 cores, 128 GB memory |
USD 2.096/hour |
USD 1,006/month (USD 1.398/hour) |