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6.2 KiB
Markdown
138 lines
No EOL
6.2 KiB
Markdown
# Alerts Tab
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Netdata provides hundreds of pre-configured health alerts to notify you when an anomaly or performance issue affects your node or its applications.
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---
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## Raised Alerts Tab
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The **Raised Alerts** tab shows all current alerts in your Room that are in a **warning** or **critical** state.
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### Alert Table Overview
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The table provides key details about each active alert:
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| Column | Description |
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|----------------------|----------------------------------------------------------------------|
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| **Alert Name** | The name of the alert; click to view alert details. |
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| **Status** | Current state: Warning or Critical. |
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| **Class** | The alert's class (e.g., Latency, Utilization). |
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| **Type & Component** | The system type and component involved. |
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| **Role** | The notification role assigned to the alert. |
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| **Node Name** | The node where the alert was triggered. |
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| **Silencing Rule** | Whether silencing rules are applied. |
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| **Actions** | Options to create silencing rules or ask Netdata Assistant for help. |
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Use the **gear icon** (top right) to control which columns are visible. Sort alerts by clicking on column headers.
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---
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## Filtering Alerts
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Filter the alert list using the right-hand bar:
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| Filter Option | Purpose |
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|----------------------------|----------------------------------------------------------------------------------|
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| **Alert Status** | Filter by status (Warning, Critical). |
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| **Alert Class** | Filter by class (e.g., Latency, Utilization). |
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| **Alert Type & Component** | Filter by alert type (e.g., System, Web Server) and component (e.g., CPU, Disk). |
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| **Alert Role** | Filter by the notification role (e.g., Sysadmin, Webmaster). |
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| **Host Labels** | Filter by host labels (e.g., `_cloud_instance_region=us-east-1`). |
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| **Node Status** | Filter by node availability (Live, Offline). |
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| **Netdata Version** | Filter by the Netdata version. |
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| **Nodes** | Filter by specific nodes. |
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---
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## Viewing Alert Details
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Click on an alert name to open the **alert details page**, which provides:
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| Section | Description |
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|------------------------------|--------------------------------------------------------------|
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| **Latest / Triggered Time** | Shows when the alert was last triggered. |
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| **Description** | Includes a detailed explanation of the alert. |
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| **Netdata Advisor Link** | Links to related Netdata Advisor guidance. |
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| **Triggered Chart Snapshot** | Visualizes the chart at the alert’s trigger time. |
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| **Alert Metadata** | Shows node name, chart instance, type, component, and class. |
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| **Configuration** | Displays the alert's configuration parameters. |
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| **Instance Values** | Provides node instance details. |
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At the bottom of this page, click **View alert page** to open a dynamic view where you can:
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- Run metric correlations.
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- Navigate to the specific node’s chart that triggered the alert.
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---
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## Silencing Alerts
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In the **Raised Alerts** tab:
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- The **Silencing column** shows whether a silencing rule exists for an alert.
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- The **Actions column** allows you to:
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- Create a new [silencing rule](/docs/alerts-and-notifications/notifications/centralized-cloud-notifications/centralized-cloud-notifications-reference.md#alert-notification-silencing-rules).
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- Ask for help from the [Netdata Assistant](/docs/netdata-assistant.md).
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---
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## Alert Configurations Tab
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The **Alert Configurations** tab shows the configuration of all running alerts in your Room.
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:::note
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"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.
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:::
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### Configuration Table Overview
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| Column | Description |
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|--------------------|-----------------------------------------------------|
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| **Alert Name** | The name of the alert; click to view configuration. |
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| **Node Name** | The node where this configuration applies. |
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| **Status** | Whether the alert is active or silenced. |
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| **Silencing Rule** | Indicates if silencing rules are applied. |
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| **Actions** | Explore configuration or ask the Netdata Assistant. |
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Use the **gear icon** to adjust which columns are displayed.
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---
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## Viewing Alert Configuration
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From the **Actions column**, click **Show Configuration** to:
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| Action | Outcome |
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|---------------------|--------------------------------------------------------------|
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| **Explore by Node** | View configurations split by node. |
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| **View Alert Page** | See full alert details, including configuration and history. |
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This allows you to investigate:
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- When the alert last triggered.
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- All configuration parameters per node.
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---
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## Alert Lifecycle Diagram
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```mermaid
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graph TD
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A[Metric Collection] --> B[Alert Evaluation]
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B --> C{Condition Met}
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C -- Yes --> D[Trigger Alert]
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D --> E[Alert in Raised Alerts Tab]
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E --> F[Details and Chart Snapshot]
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E --> G[Apply Silencing Rule]
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F --> H[Explore Metrics<br/>Run Correlations]
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G --> I[No Notification Sent]
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C -- No --> J[No Alert Triggered]
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```
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:::tip
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The diagram above illustrates the flow of alert detection and management, from metric collection to alert evaluation, triggering, and optional silencing.
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::: |