Monitoring
Population Stability Index over the training baseline's own bins, plus KS for numeric features and chi-square for categoricals. A drifted verdict enqueues a retrain; a warning only raises an alert.
Latest verdict
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no report yet
Requests analysed
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baseline —
Serving p95
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p50 — · p99 —
Thresholds
0.15 / 0.25
warning / critical PSI
Population simulator
Shifts the distribution that traffic replay samples from. This is how drift is injected on purpose.
Drift reports
Latency percentiles
Recorded per inference call across all versions.
No latency samples
Route comparison
Realised ROC-AUC per arm, computed from delayed ground truth.
No traffic
Alerts
No alerts
Nothing has breached a threshold.