Alerts Tab
Netdata provides hundreds of pre-configured health alerts to notify you when an anomaly or performance issue affects your node or its applications.
Raised Alerts Tab
The Raised Alerts tab shows all current alerts in your Room that are in a warning or critical state.
Alert Table Overview
The table provides key details about each active alert:
| Column | Description |
|---|---|
| Alert Name | The name of the alert; click to view alert details. |
| Status | Current state: Warning or Critical. |
| Class | The alert's class (e.g., Latency, Utilization). |
| Type & Component | The system type and component involved. |
| Role | The notification role assigned to the alert. |
| Node Name | The node where the alert was triggered. |
| Silencing Rule | Whether silencing rules are applied. |
| Actions | Options to create silencing rules or ask Netdata Assistant for help. |
Use the gear icon (top right) to control which columns are visible. Sort alerts by clicking on column headers.
Filtering Alerts
Filter the alert list using the right-hand bar:
| Filter Option | Purpose |
|---|---|
| Alert Status | Filter by status (Warning, Critical). |
| Alert Class | Filter by class (e.g., Latency, Utilization). |
| Alert Type & Component | Filter by alert type (e.g., System, Web Server) and component (e.g., CPU, Disk). |
| Alert Role | Filter by the notification role (e.g., Sysadmin, Webmaster). |
| Host Labels | Filter by host labels (e.g., _cloud_instance_region=us-east-1). |
| Node Status | Filter by node availability (Live, Offline). |
| Netdata Version | Filter by the Netdata version. |
| Nodes | Filter by specific nodes. |
Viewing Alert Details
Click on an alert name to open the alert details page, which provides:
| Section | Description |
|---|---|
| Latest / Triggered Time | Shows when the alert was last triggered. |
| Description | Includes a detailed explanation of the alert. |
| Netdata Advisor Link | Links to related Netdata Advisor guidance. |
| Triggered Chart Snapshot | Visualizes the chart at the alert’s trigger time. |
| Alert Metadata | Shows node name, chart instance, type, component, and class. |
| Configuration | Displays the alert's configuration parameters. |
| Instance Values | Provides node instance details. |
At the bottom of this page, click View alert page to open a dynamic view where you can:
- Run metric correlations.
- Navigate to the specific node’s chart that triggered the alert.
Silencing Alerts
In the Raised Alerts tab:
- The Silencing column shows whether a silencing rule exists for an alert.
- The Actions column allows you to:
- Create a new silencing rule.
- Ask for help from the Netdata Assistant.
Alert Configurations Tab
The Alert Configurations tab shows the configuration of all running alerts in your Room.
"Running alerts" are alerts attached to metrics that are actively being collected. Pre-configured alerts that do not match your setup may not appear here.
Configuration Table Overview
| Column | Description |
|---|---|
| Alert Name | The name of the alert; click to view configuration. |
| Node Name | The node where this configuration applies. |
| Status | Whether the alert is active or silenced. |
| Silencing Rule | Indicates if silencing rules are applied. |
| Actions | Explore configuration or ask the Netdata Assistant. |
Use the gear icon to adjust which columns are displayed.
Viewing Alert Configuration
From the Actions column, click Show Configuration to:
| Action | Outcome |
|---|---|
| Explore by Node | View configurations split by node. |
| View Alert Page | See full alert details, including configuration and history. |
This allows you to investigate:
- When the alert last triggered.
- All configuration parameters per node.
Alert Lifecycle Diagram
The diagram above illustrates the flow of alert detection and management, from metric collection to alert evaluation, triggering, and optional silencing.
Do you have any feedback for this page? If so, you can open a new issue on our netdata/learn repository.