Monitor ClickHouse with Pulse Alerts
Pulse Alerts let you monitor the availability of ClickHouse components and the overall health of ClickHouse in real time.
- Built-in (stock) alerts: Enable them to track when the ClickHouse components become unreachable automatically.
- Custom alerts: Create custom alerts for key ClickHouse metrics based on your performance goals and alert thresholds.
These alerts allow you to detect failures early, respond faster to service degradation, and maintain system reliability.
ClickHouse Stock Alerts
Pulse provides built-in (stock) alerts with preconfigured filters and conditions. You can enable, disable, or modify these alerts based on your monitoring needs. These are useful for detecting common failures, such as service unavailability.
| Alert Name | Description | Configuration |
|---|---|---|
| ClickHouse Keeper Endpoint Check | Triggered when the ClickHouse Keeper service becomes unreachable, which can impact cluster coordination and lead to query errors or metadata sync issues. | Severity: "Critical", Execution Interval: "60" |
| ClickHouse Server Endpoint Check | Triggered when the ClickHouse Server service becomes unreachable, causing query execution and data retrieval failures. | Severity: "Critical", Execution Interval: "60" |
| ClickHouse Web Server Endpoint Check | Triggered when the ClickHouse Web Server service becomes unreachable, preventing Pulse and other clients from accessing ClickHouse metrics or web endpoints. | Severity: "Critical", Execution Interval: "60" |
Create ClickHouse Custom Alerts
Pulse provides a wide range of ClickHouse metrics that you can use to create custom alerts.
For detailed information about creating alerts and sending notifications, see Creating Alerts
View ClickHouse Alerts
- In the Pulse UI, go to the Alerts page to view the ClickHouse-specific alerts.
- Select the Alert Type as ClickHouse from the dropdown to view all available stock and any custom alerts you have created.
Additional References
For the complete list of Pulse stock and predefined alerts, see Stock and Predefined Alerts.