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AppSync has built-in logging integration with CloudWatch Logs. But given the amount of information that is sent to AppSync Logs, this has a non-trivial cost implication. CloudWatch logs charge $0.50 per GB of data ingested. This is equivalent to the cost of 125,000 queries/mutation requests to Appsync. The best way to manage the log retention for all your log groups—past, present and future—is to deploy this SAR application to your region.