Tech Screening

Database pool saturation

API latency spikes while database CPU stays moderate and every connection is busy. How would you diagnose pool saturation before increasing it?

What this task practices

Database pool saturation is a tech screening interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as easy difficulty. It focuses on Debugging, Tradeoffs, Technical Reasoning. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.