The Service Map for APM is here!

Host monitor

Overview

Every Datadog Agent collection reports a heartbeat called datadog.agent.up with a status UP. You can monitor this heartbeat across one or more hosts.

Configuration

  1. Select your host by name or tag(s). Providing a tag monitors every host that has that tag or tag combination.

    host monitor pick hosts

  2. Choose between a Check Alert or a Cluster Alert.

  3. Check Alert: An alert is triggered when a host stops reporting. Select the no-data timeframe: If the heartbeat stops reporting for more than the number of minutes you have selected, you are notified.

    host monitor no data timeframe

  4. Cluster Alert: An alert is triggered when a percentage of hosts stop reporting.

    • Decide whether or not to cluster your hosts according to a tag.

      Cluster alert

    • Select the alerting/warning thresholds percentage for your host monitor.

      cluster alert setup

    • Select the no-data timeframe: If the heartbeat stops reporting for more than the number of minutes you have selected for the choosen percentage of host in the selected cluster, you are notified.

  5. Configure your notification options:
    Refer to the Notifications dedicated documentation page for a detailed walkthrough of the common notification options.

Further Reading