All Products
Search
Document Center

Cloud Monitor:Limits

Last Updated:Nov 07, 2025

This topic describes the limits on CloudMonitor Basic and Hybrid Cloud Monitoring.

CloudMonitor Basic

Feature

Item

Maximum value

Alert rule

Maximum number of alert rules that can be created within an Alibaba Cloud account

10,000

Application group

Maximum number of tags that can be added to an application group within an Alibaba Cloud account in a region

100

Maximum number of each type of resources in an application group within an Alibaba Cloud account

3,000

Maximum number of application groups that can be created within an Alibaba Cloud account

20,000

Maximum number of availability monitoring tasks that can be created in an application group within an Alibaba Cloud account

500

Maximum number of dynamic rules that can be created within an Alibaba Cloud account

1,200

Host monitoring

Maximum number of third-party hosts that can be managed within an Alibaba Cloud account

15,000

Hybrid Cloud Monitoring

Feature

Item

Maximum value

Namespace

Maximum number of namespaces that can be created within an Alibaba Cloud account

30

Maximum number of Elastic Compute Service (ECS) instances that can be managed in a namespace within an Alibaba Cloud account

10,000

Resource usage report

Maximum number of alert contact groups that can be configured for a report task within an Alibaba Cloud account

5

Simple Log Service log monitoring

Maximum number of Logstore groups that can be created within an Alibaba Cloud account

20

Maximum number of Logstores that can be added to a Logstore group within an Alibaba Cloud account

25

Alert rule

Maximum number of alert rules that can be created by using a PromQL statement within an Alibaba Cloud account

20

Smart watcher

Maximum number of resources that can be added to a smart watcher task

100