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· 2 min read
Ken Collins

As described in AJ Stuyvenberg's post on the topic Understanding AWS Lambda Proactive Initialization, AWS Lambda may have solved some of your cold start issues for you since March 2023. Stated in an excerpt from AWS' docs:

For functions using unreserved (on-demand) concurrency, Lambda occasionally pre-initializes execution environments to reduce the number of cold start invocations. For example, Lambda might initialize a new execution environment to replace an execution environment that is about to be shut down. If a pre-initialized execution environment becomes available while Lambda is initializing a new execution environment to process an invocation, Lambda can use the pre-initialized execution environment.