#clean-rooms

2 articles tagged

Engineering · Aug 22, 2026 · 13 min read

Clean Rooms log export, 11 August 2026: every count is rounded down and stack traces are gone

AWS Clean Rooms can now export Spark logs for SQL queries. The logs are redacted: record counts round down to an order of magnitude, values under 100 report as zero, and error text and stack traces are removed.

Manu Shukla

#AWS #clean-rooms #Spark

AWS Clean Rooms minimum aggregation thresholds in custom analysis rules, August 2026

Engineering · Aug 22, 2026 · 11 min read

Clean Rooms minimum aggregation thresholds, 13 August 2026: the COUNT exemption AWS did not announce

Clean Rooms can now enforce minimum aggregation on ad-hoc SQL. The user guide lists a COUNT exemption, a clash with differential privacy, and a cut-down SQL surface the announcement never mentions.

Manu Shukla

#AWS #clean-rooms #data-collaboration