Alibaba Cloud will update the service level agreement (SLA) of PolarDB on September 20, 2024 (UTC+8). For the current SLA, see PolarDB Service Level Agreement.
Effective time
00:00:00 on September 20, 2024 (UTC+8).
Affected users
All PolarDB users.
Changes and affected services
Changes
The service availability commitment of PolarDB for PostgreSQL adds the "Hot Standby Storage Cluster and Hot Standby Compute Cluster enabled" service mode. Additionally, the SLA of PSL4 storage type of PolarDB for PostgreSQL is updated to be the same as that of PSL5 storage type. The following table lists the SLA details:
Single-node cluster | Multi-node cluster | |
Hot Standby Storage Cluster and Hot Standby Compute Cluster enabled | 99.96% | 99.995% |
Hot standby storage cluster enabled | 99.95% | 99.99% |
hot standby storage cluster disabled | 99.90% | 99.96% |
Affected services
Because the "Enable Hot Standby Storage Cluster and Hot Standby Compute Cluster" service mode is added for PolarDB for PostgreSQL, the maximum service availability for PolarDB for PostgreSQL is updated from 99.99% to 99.995%.