A Power BI user conducted a performance comparison of Import, DirectQuery, and Direct Lake storage modes using the same dataset. The tests revealed significant performance differences, with one mode running in under a second and another taking fourteen seconds. A critical finding was that Direct Lake mode silently switched to another mode when a row-level security role was added, posing a potential production risk. AI
影响 Provides insights into optimizing data model performance and identifying potential risks within a widely used business intelligence tool.
排序理由 The cluster details a technical comparison and performance testing of different modes within a specific software product, which constitutes research. [lever_c_demoted from research: ic=1 ai=0.4]
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