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I'm trying to build an aws greengrass setup with 100 sensors connected. Is it possible to store sensor readings in greengrass locally when the internet connection is lost ?

Is there an inbuilt Dynamodb alternative in AWS greengrass ?

What is the best approach to store sensor readings when the internet connectivity is lost in aws greengrass.

Adarsh Raveendra
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1 Answers1

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There are few ways to do it:

1) Your user lambdas can access to AWS services directly from GGC to push data to DDB. GGC has a builtin mechanism to get the credential tokens on behalf of user-lambdas. You need to set up the group role to allow the user-lambdas to so and you can see here config-iam-roles.html.

2) You can use the new stream manager feature in release 1.10 to the job. stream manager

Ming Chan
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