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Hi jerome68,
Regarding hierarchy, there are cores (exactly 1 core per group), and there are Greengrass aware devices (GGADs). GGADs connect to the cores. There's currently no way to make a group of groups or something like that. Instead you can organize your devices by the MQTT topics, something like topic/region/device . Then you can use the wildcards when setting up subscriptions.
If the Lambda code is the same but you need to pass in some variables you can add Environment variables to the Lambda inside each Greengrass group.
Please let me know if you have any other questions.
Thanks,
Keagen
回答済み 5年前