<ul><li>Cold starts occur when a Lambda function is invoked for the first time or after a period of inactivity, introducing a delay before execution.</li><li>Cold starts can happen during initial invocations, infrequent invocations, function updates, high traffic spikes, and long periods of inactivity.</li><li>Cold starts impact performance by increasing latency, reducing throughput, and affecting user experience.</li><li>Strategies to mitigate cold starts include provisioned concurrency, optimizing function code, using warm-up functions, and considering function architecture.</li></ul>

Understanding and Mitigating AWS Lambda Cold Starts

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