PolarDB for MySQL offers multiple auto scaling solutions to handle traffic spikes and maintain cluster stability.
These solutions apply only to subscription or pay-as-you-go clusters with fixed specifications. Serverless clusters scale compute resources automatically based on workload.
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Method |
Cluster requirements |
Description |
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PolarDB for MySQL 5.7 or 8.0 |
Serverless enables each node in a PolarDB cluster to scale up within seconds during workload surges and scale down during idle periods to optimize cost efficiency, without affecting ongoing operations. |
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Auto scaling of cluster specifications |
PolarDB for MySQL 5.6 |
Database Autonomy Service (DAS) scales cluster specifications based on average CPU utilization and read/write traffic, and automatically scales back during off-peak hours. |
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