Ravi Sir's Cards › AWS
Cold start is a new env
This revision card explains Cold start is a new env. It starts from the need that treating every invoke as warm blinds you to p99 latency. It describes cold start creates a new execution environment; warm reuses one. The how-to section notes measure InitDuration , then trim package , then PC only where SLA needs it. An example on the card is fatima Noor charts InitDuration before buying provisioned concurrency.
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What this card says
Why do we need it?
Treating every invoke as warm blinds you to p99 latency.
What is it?
Cold start creates a new execution environment; warm reuses one.
cold start
How to do it
Measure InitDuration → trim package → PC only where SLA needs it.
Example
Fatima Noor charts InitDuration before buying provisioned concurrency.