All Products
Search
Document Center

Cloud Monitor:Resource ownership and billing information

Last Updated:Dec 25, 2025

CloudMonitor 2.0 services and applications store data in Simple Log Service (SLS). This topic describes the SLS Projects that are created or used for data storage by each service or application.

Storage resources for CloudMonitor 2.0 services and applications

Note

The free resources provided by the billing policy apply only to Logstores that are automatically created in a Project. Logstores that you manually create in a Project are billed according to the standard SLS billing rules.

Application/Service

Corresponding SLS Project created or used

Description

Billing policy

Account level

aliyun-metadata-{userId}-{regionId}

A storage space created by CloudMonitor 2.0. It contains resource metadata. One project is shared per account and region.

Free resource.

Workspace

  • Default workspace: default-cms-{userId}-{regionId}

  • Non-default workspace: cms-${workspaceName}-{random}

A storage space created by a workspace. It contains entity data and umodel data for the workspace.

Free resource.

Workspace

cloud-resource-{region}-{userid}

A storage space created by a workspace. It contains entity data for CloudResource.

Free resource.

  • Application Observability

  • Real User Monitoring

proj-xtrace-{md5}-{regionId}

A storage space created by ARMS and Real User Monitoring. It contains logs and metrics for ARMS.

Billed by ARMS. SLS fees are incurred only when you configure data processing operations, such as data transformation, data shipping, or data consumption, in the SLS console.

Alert Center

cms-alert-center-{userId}-{regionId}

A storage space created by the Alert Center. It contains data such as alert events.

Free resource.

Container Insight

k8s-log-{clusterID}

A storage space associated with Container Insight. It contains data such as container event logs and metrics.

Log storage is billed by SLS. By default, a Metricstore for metric storage is created with a name that starts with `aliyun-prom-`. The Metricstore is billed by Prometheus Service.

Prometheus Service

workspace-${workspaceName}

A storage space created by Prometheus Service. It contains metrics for the corresponding Prometheus instance.

Billed by Prometheus Service. SLS fees are incurred only when you configure data processing operations, such as data transformation, data shipping, or data consumption, in the SLS console.

Prometheus Service

acs-custom-monitor-{userId}

Created from the migration of an existing Hybrid Cloud Monitoring metric repository.

Billed by Hybrid Cloud Monitoring. SLS fees are incurred only when you configure data processing operations, such as data transformation, data shipping, or data consumption, in the SLS console.

Synthetic Monitoring

syn-${workspaceName}

A storage space created by Synthetic Monitoring. It contains probe data from Synthetic Monitoring.

Free resource.

Log Auditing

ws-${workspaceName}

A storage space created by the Log Auditing application. It contains logs from dependent Alibaba Cloud services, such as ECS audit logs and ECS runtime logs.

Logs are billed by SLS. Metrics are billed by Prometheus Service.

CloudLens

oss-log-{userId}-{regionId}

A storage space created by the OSS Lens application. It contains data such as OSS access logs.

Billed by SLS.

CloudLens

aliyun-product-data-{userId}-{regionId}

A storage space created by the CloudMonitor CloudLens application. It contains data such as logs and metrics from various Alibaba Cloud services.

Logs are billed by SLS. Metrics are billed by Prometheus Service.

CloudLens

pai-eas-o11y-{userId}-{regionId}

A storage space created by the CloudMonitor CloudLens application. It contains data such as logs and metrics from PAI-EAS.

Logs are billed by SLS. Metrics are billed by Prometheus Service.

SLS Self-Monitoring

log-service-{userId}-{regionId}

A storage space created by the SLS Self-Monitoring application. It contains self-monitoring logs and metrics for SLS.

  • The collection, storage, query, and analysis of important logs, task operational logs, and audit logs are free. Fees are incurred only when you configure data processing operations, such as data transformation, data shipping, or data consumption, in the SLS console.

  • Detailed logs are billed by SLS. The billing method is the same as for a standard Logstore.

  • Billing logs do not incur extra fees. The associated Projects and Tablestore instances are free.

Cost Manager

bill-analysis-{userId}

A storage space created by the SLS Self-Monitoring application. It contains bill data required by Cost Manager.

Free resource.