Alibaba Cloud Service Level Objectives (SLOs) define expected availability and performance targets for Alibaba Cloud services in terms of storage and network capabilities, based on engineering design. SLOs are not guarantees, and unmet SLOs do not entitle you to service credits or financial compensation. Binding service level agreements (SLAs) are covered in Legal Information.
Availability SLOs
|
Service name |
Availability SLO |
|
Alibaba Cloud ApsaraDB MyBase |
99.975% |
|
Alibaba Cloud CDN |
99.900% |
|
Alibaba Cloud DNS |
100% |
|
Alibaba Cloud DNS PrivateZone |
99.990% |
|
Alibaba Mail |
99.900% |
|
AnalyticDB for MySQL |
99.950% |
|
AnalyticDB for PostgreSQL |
99.900% |
|
Anti-DDoS Premium |
99.900% |
|
Anti-DDoS Pro |
99.900% |
|
API Gateway |
99.990% |
|
Application Real-Time Monitoring Service |
99.900% |
|
File Storage NAS |
99.900% |
|
ApsaraDB for Cassandra |
99.900% |
|
ApsaraDB for HBase |
99.900% |
|
ApsaraDB for MongoDB |
99.950% |
|
ApsaraDB for Redis |
99.950% |
|
ApsaraDB RDS |
99.990% |
|
ApsaraVideo for Media Processing |
99.900% |
|
ApsaraVideo Live |
99.900% |
|
ApsaraVideo VOD |
99.900% |
|
Blockchain as a Service (BaaS) |
99.800% |
|
Cloud Enterprise Network |
99.950% |
|
Cloud Firewall |
99.950% |
|
Cloud Storage Gateway |
99.900% |
|
Cloud Web Hosting |
99.500% |
|
Container Registry Enterprise Edition |
99.950% |
|
Container Service for Kubernetes |
99.950% |
|
Data Lake Analytics |
99.950% |
|
Data Management |
99.950% |
|
Data Transmission Service |
99.950% |
|
Database Backup |
99.950% |
|
DataV |
99.900% |
|
DataWorks |
99.950% |
|
Direct Mail |
99.900% |
|
Distributed Relational Database Service |
99.950% |
|
Dynamic Route for CDN |
99.900% |
|
E-HPC |
99.900% |
|
Elastic Compute Service (ECS) |
99.975% |
|
Elastic Container Instance |
99.990% |
|
Elastic IP Address |
99.950% |
|
Elasticsearch |
99.900% |
|
E-MapReduce (EMR) |
99.950% |
|
Enterprise Distributed Application Service (EDAS) |
99.900% |
|
Express Connect |
99.950% |
|
Function Compute |
99.950% |
|
Global Accelerator |
99.950% |
|
Hologres |
99.900% |
|
Hybrid Backup Service (HBR) |
99.500% |
|
Image Search |
99.500% |
|
Intelligent Speech Interaction |
99.900% |
|
IoT Edge |
99.900% |
|
IoT Platform |
99.900% |
|
Key Management Service (KMS) |
99.900% |
|
Log Service |
99.900% |
|
Machine Learning Platform for AI |
99.900% |
|
MaxCompute |
99.900% |
|
Message Queue for Apache Kafka |
99.900% |
|
Message Queue for Apache RocketMQ |
99.950% |
|
Message Service (MNS) |
99.950% |
|
NAT Gateway |
99.950% |
|
Object Storage Service |
99.995% |
|
PolarDB |
99.990% |
|
Quick BI |
99.000% |
|
Realtime Compute for Apache Flink |
99.000% |
|
Security Center |
99.950% |
|
Server Load Balancer |
99.950% |
|
Short Message Service (SMS) |
95.000% |
|
Simple Application Server |
99.950% |
|
Smart Access Gateway |
99.950% |
|
Tablestore |
99.900% |
|
Time Series Database |
99.900% |
|
VPN Gateway |
99.950% |
|
Web Application Firewall (WAF) |
99.950% |
Performance SLOs
Performance SLOs for commonly used services are listed below. Other services publish their SLOs in the respective product documentation.
-
ECS instance family network and storage SLOs: Instance families
-
Data durability SLOs for Elastic Block Storage: 99.9999999%
-
Elastic Block Storage SLOs: EBS performance
-
Server Load Balancer (SLB) SLOs: SLB instance overview
-
ApsaraDB RDS instance type network and storage SLOs: Primary instance types