This topic describes the service limits of Managed Service for Prometheus V2 instances.
V2 instances are those stored in the Metricstores of your Simple Log Service projects starting 00:00:00 (UTC+8) on March 12, 2025. To understand legacy V1 instance limits, see Service limits (legacy, not applicable to Prometheus V2 instances).
Data read and write
For more information, see Data read and write in Simple Log Service.
Query and analysis
For more information, see Simple Log Service Metricstores.
Data collection and reporting
Item | Limit | Adjustable |
Data points per collection for an agent replica | 3.5 million (3-core CPU, 4 GB memory) | Yes. Scale out replicas. |
Targets per agent replica | 5,000 (3-core CPU, 4 GB memory) | Yes. Scale out replicas. |
Data points per target (30s window) | 600,000 | Yes. Scale out replicas. |
Replicas in agent HPA settings | 20 | Yes. Manually scale out the replicas in the Managed Service for Prometheus console. |
Container Service for Kubernetes (ACK) cluster compatibility | Agents V3.2.1 or later require Kubernetes V1.16 or later. | Yes. Update the cluster version. |
Data volume per target | 512 MB. Excess data is discarded. | No |
Others
Item | Limit | Adjustable |
Recording rules per cluster | 1,000 | No hard limit, but processing delays may occur. |
Folders per tenant in Managed Service for Grafana Shared Edition | 250 | No. Upgrade it to Pro Edition. |