V-Order in Microsoft Fabric – what is that?

Microsoft has modified the default configuration of V-Order in Microsoft Fabric lakehouses. Per the official Microsoft documentation (updated March 1, 2026), V-Order is disabled by default in newly created workspaces (spark.sql.parquet.vorder.default = false). This change, aligned with the writeHeavy Spark resource profile assigned to workspaces created after approximately April 2025 (following FabCon), prioritizes write performance […]