SDI — Systems Design Interview OS

Latency Budget Calculator

Break down an end-to-end latency target into component budgets. Helps identify where time is spent and how much room remains for application logic.

Remaining Budget = Target - Network - Effective Data Latency

Target End-to-End Latency

Network Hop Latency (per hop)

Database Query Latency

Cache Lookup Latency

Cache Hit Rate

Effective Data Access Latency--- ms

Fixed Overhead (network + data access)--- ms

Remaining Budget for App Logic--- ms

Budget Utilization--- %

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