Load Testing · Senior · Question 69 of 76

A service is fine at 1,000 RPS from one client, but fails at 1,000 RPS from 10,000 clients. Why?

1The service can't handle more than one client by design
2Connections, TLS sessions and per-client state scale with clients
3RPS from many clients is always ten times higher

Show the answer

Correct answer: Connections, TLS sessions and per-client state scale with clients

Explanation

Connection count, handshakes and session memory depend on clients, not just on requests. Model the number of clients realistically.

Further reading

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