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AWS Certified Solutions Architect study material · question 461 of 500

Which Lambda control is designed specifically to reduce cold start latency?

  1. Reserved concurrency
  2. A longer function timeout
  3. A larger ephemeral storage allocation
  4. Provisioned concurrency
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Answer: D. Provisioned concurrency

Provisioned concurrency pre-initializes a set number of execution environments; reserved concurrency governs how much of the account pool a function may use.

Source: Understanding Lambda function scaling (Amazon Web Services) — Understanding reserved and provisioned concurrency

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