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I haven’t used autoscaling with RDS, but the syntax looks ok to me—it matches an ECS autoscaling target in my codebase

I can see that the doco explicitly says it’s supported for Aurora for MySQL and Aurora for Postgres: <https://docs.aws.amazon.com/autoscaling/application/APIReference/API_RegisterScalableTarget.html#autoscaling-RegisterScalableTarget-request-ScalableDimension|https://docs.aws.amazon.com/autoscaling/application/APIReference/API_RegisterScalableTarget.html#autoscaling-RegisterScal[…]equest-ScalableDimension>

I don’t suppose you’re trying to use a database engine? Or possibly a non-Aurora (plain RDS) cluster?

I actually tried for both aurora and non aurora postgresql clusters and I got the same error for both.

Also, I did try for ECS Scaling as well with the same `appscaling target` and that also didn’t work.. same error there :neutral_face:
I’m suspecting whether this is a bug or something. Am I the only one who face this kinda error ?:thinking_face:

Still struggling with this issue. The experts help or ideas are much appreciated here. Thanks