Crashed DuckDB (.duckdb + .wal) & Apache Arrow IPC ('ARROW1') Block-Checksum & Batch Salvager

Deterministic DuckDB dual-header ring-checkpoint & 256KB block checksum inspector + truncated Write-Ahead Log (.wal) transaction boundary trimmer + Apache Arrow IPC ('ARROW1') RecordBatch FlatBuffer message carver engine (.duckdb, .wal, .arrow, .ipc) built for DuckDB, MotherDuck, Polars / PyArrow, dbt Local — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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