View active alerts
Netdata comes with hundreds of pre-configured health alerts designed to notify you when an anomaly or performance issue affects your node or the applications it runs.
From the Alerts tab you can see all the active alerts in your War Room. You will be presented with a table having information about each alert that is in warning and critical state. You can always sort the table by a certain column by clicking on the name of that column, and use the gear icon on the top right to control which columns are visible at any given time.
From this view, you can also filter alerts with the right hand bar. More specifically you can filter:
- Alert status
- Filter based on the status of the alerts (e.g. Warning, Critical)
- Alert class
- Filter based on the class of the alert (e.g. Latency, Utilization, Workload etc.)
- Alert type & component
- Filter based on the alert's type (e.g. System, Web Server) and component (e.g. CPU, Disk, Load)
- Alert role
- Filter by the role that the alert is set to notify (e.g. Sysadmin, Webmaster etc.)
- Filter the alerts based on the nodes that are online, next to each node's name you can see how many alerts the node has, "critical" colored in red and "warning" colored in yellow
View alert details
By clicking on the name of an entry of the table you can access that alert's details page, providing you with:
- Latest and Triggered time values
- The alert's description
- A link to the Community forum's alert page
- The chart at the time frame that the alert was triggered
- The alert's information: Node name, chart ID, type, component and class
- Configuration section
- Instance values - Node Instances
At the bottom of the panel you can click the green button "View dedicated alert page" to open a dynamic tab containing all the info for this alert in a tab format, where you can also run correlations and go to the node's chart that raised the particular alert.
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