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Vojtěch Šíma | The Data Bender | Power BI & Fabric
Vojtěch Šíma | The Data Bender


Direct Lake pod kapotou: Transcoding, Framing, Residency, a Eviction
Tento článek se zaměřuje na to, jak Direct Lake funguje v praxi, především ve variantě Direct Lake on OneLake. Věnuje se framingu Delta tabulek, Parquet row groups, transcodingu do VertiPaq, residency a eviction segmentů, prewarmingu a spotřebě CU ve srovnání s Import režimem.
Vojtěch Šíma
Jul 2320 min read


Direct Lake Internals: Transcoding, Framing, Residency, and Eviction
This article examines how Direct Lake works in practice, with a focus on Direct Lake on OneLake. It covers Delta-table framing, Parquet row groups, transcoding into VertiPaq, segment residency and eviction, prewarming, and CU consumption compared with Import.
Vojtěch Šíma
Jul 2221 min read
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