From Active Users to Average and Peak QPS

04 Try it yourself Interactive

Warm cache versus cold cache

Use 100,000 daily users, 10 reads per user and a 5x peak. Only the hit rate changes between the two presets.

90% hits

Small deterministic teaching model

Choose a preset, predict the outcome, then use Next, Back or Reset. No steps autoplay.

daily_reads = 100000 * 10average_qps = daily_reads / 86400peak_qps = average_qps * 5db_read_qps = peak_qps * (1 - hit_fraction)

Press Next to work through it one step at a time.

Daily reads–

Average QPS–

Peak QPS–

DB read QPS–

step 0 / 0