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#delta-lake

1 story tagged delta-lake.

Abstract data-art representing the shift from write-time to query-time change data feed computation. The composition evokes a 15 percent write speedup for MERGE and UPDATE operations when using automatic change data feed on Delta Lake and Apache Iceberg v3 tables in Databricks.

Automatic change data feed GA: write faster, query-time CDC

Automatic change data feed (Auto CDF) GA shifts CDC from write time to query time. MERGE and UPDATE run 15% faster, but read costs move the other way.

Lars Cornelissen · Sep 7, 2026