This topic introduces the Alibaba Cloud Service Level Objectives (SLOs), including the availability and performance of Alibaba Cloud services in terms of storage and network capabilities. The SLOs in this topic are the expected values measured based on engineering design. Therefore, we do not guarantee that the SLOs will be met. If an SLO is not met, we do not provide service credits or other financial compensations. For more information about the SLAs of Alibaba Cloud services, see 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% |
Apsara 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
The following list provides the links to the SLOs of commonly used services. For more information about the SLOs of other services, visit the documentation page of the service.
Network and storage SLOs for ECS instance families: see Instance families
Data durability SLOs for Elastic Block Storage: 99.9999999%
SLOs for Elastic Block Storage: see EBS performance
SLOs for Server Load Balancer: see SLB instance overview
Network and storage SLOs for ApsaraDB RDS instance types: see Primary instance types