ScanTwin generates differentially private boundary sketches from Parquet footers that preserve row-group pruning behavior and DuckDB scan timing on TPC-H and SSB benchmarks.
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ScanTwin: Simulating Performance Regressions Without Access to Tenant Data
ScanTwin generates differentially private boundary sketches from Parquet footers that preserve row-group pruning behavior and DuckDB scan timing on TPC-H and SSB benchmarks.