Is it a cold start?
1Times asked
Apr 2026Last seen
Apr 2026First seen
💡 Model Answer
A cold start occurs when a serverless function, such as an AWS Lambda, is invoked for the first time or after a period of inactivity. The runtime environment must be initialized, the code loaded, and any dependencies resolved, which adds latency. Subsequent invocations can reuse the same execution environment, reducing latency. Cold starts can be mitigated by keeping functions warm, using provisioned concurrency, or optimizing deployment packages.
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