Web & Networking

Cold Start

The latency penalty incurred the first time a serverless function runs after a period of inactivity, while the runtime is being initialized. Can range from tens of milliseconds to several seconds.

Source

AWS Lambda Operator Guide — Cold starts

Related terms

HTTP Status Codes (2xx / 4xx / 5xx)

Three-digit response codes returned by HTTP servers.

Timeout

The maximum time a client waits for a response before giving up.

DNS (Domain Name System)

The internet's address book — translates human-readable domain names like foursight.cloud into IP addresses…

A Record

A DNS record that maps a hostname to an IPv4 address (e.g.

AAAA Record

Maps a hostname to an IPv6 address.

CNAME Record

An alias DNS record that points one hostname to another (e.g.

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