Exit drill summarySample · TPC-H dataset

Exit feasible on this scope. One item to fix before leaving.

Source: DuckDB (TPC-H generated locally)
Destination: Apache Iceberg
Scope: 8 tables, 8.7 million rows
Date: October 19, 2026

Identical
Seven tables out of eight arrive identical.The 8 TPC-H tables were copied, then compared: row count, per-column statistics and a fingerprint of each table's content. The eighth differs only in the precision of one column, see below.
3 of 4
Three queries out of four return the same figures.Four TPC-H queries were replayed on both sides. Three return exactly the same result; the fourth reads every column of the largest table and reveals the gap below.
To fix
One timestamp column loses precision.The source keeps nanoseconds; Apache Iceberg (version 2) stops at microseconds. The instant is identical to the microsecond. Canot added this column for the demonstration: on your data, the same gap shows up in nanosecond timestamp columns.
Signed
Any change to the evidence is visible.Each step is recorded in a log signed with a key created on your side. If a line of the log changes, verification fails. The signature attests to the file's integrity, not to its author or its date.

What you can do with itAttach this file to your exit plan, present it to your risk committee, or use it as a quantified basis for your next renewal.

A set of measurements for your own assessment. It is not a certification and says nothing about whether your contracts meet any requirement. Full technical report