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AWS Services · Concept

Provisioned Concurrency

Provisioned concurrency prepares Lambda execution environments before requests arrive. It reduces cold-start latency for functions that need fast responses.

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Syntax

aws lambda put-provisioned-concurrency-config --function-name FUNCTION_NAME --qualifier ALIAS_OR_VERSION --provisioned-concurrent-executions NUMBER

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  • Reserved concurrency
  • Application Auto Scaling
  • AWS_LAMBDA_INITIALIZATION_TYPE
  • AWS_LAMBDA_DOTNET_PREJIT
  • PutProvisionedConcurrencyConfig
  • GetProvisionedConcurrencyConfig
  • ListProvisionedConcurrencyConfigs
  • DeleteProvisionedConcurrencyConfig

Source: Configuring provisioned concurrency for an Event Function - AWS Lambda. Checked 2026-11-03.