Replay Engine
Deterministic event playback with configurable market scenarios — test queue saturation, measure burst handling, and simulate exchange disconnects
● IDLE
Replay Scenarios
Each tab pairs one replay scenario with the traffic profile it generates.
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What to Observe During Replay
While a scenario runs, switch to the other pages to observe system behavior:
| PAGE | WHAT TO WATCH |
|---|---|
| Live Terminal | Signal feed scroll rate, dropped message counter, queue depth |
| Performance | p99 latency during bursts, GC collections during high allocation, allocation rate spikes |
| Concurrency | Understand why the architecture handles these scenarios without locks |