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Hi rchamberlin. The core device publishes both core device health (fleet status) and telemetry data on that topic. However that topic is not exposed on the broker so you can't subscribe to it. Furthermore, this information is only published every 24 hours (by default, and this is the minimum interval), not in response to events. Please see the fleetStatus
and telemetry
configuration parameters of the Greengrass Nucleus configuration for more information: https://docs.aws.amazon.com/greengrass/v2/developerguide/greengrass-nucleus-component.html#greengrass-nucleus-component-configuration
For more frequent telemetry, you might consider the telemetry emitter component:
Hi! Is this 24 hour minimum limit something you could consider changing? It would be very convenient to use the Health status in the dashboards to check whether a unit is ok or not! Now I sometimes find myself confused by it, for example when trying to deploy new code to a "Healthy" unit that isn't currently connected to AWS at all etc.
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