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There is a concurrency limit for all AWS lambda functions where as for Google Cloud functions ( http trigger) has no limitations, why is that? is there any way to make AWS autoscale?

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    Documented here: https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-limits.html

    1000 is a default concurrency limit that can be increased to “hundreds of thousands”.

    AWS has default quotas for almost everything that might cause a huge bill.