Publication date: 10 March 2026
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，这一点在51吃瓜中也有详细论述
This overhead is mandated by the spec's reliance on promises for buffer management, completion, and backpressure signals. While some of it is implementation-specific, much of it is unavoidable if you're following the spec as written. For high-frequency streaming – video frames, network packets, real-time data – this overhead is significant.
现代数据湖不再局限于结构化数据，而是通过 Data Lake Formation 架构整合 Paimon、Iceberg 等格式表，并支持原始文件（如图像、音视频）直接入湖。借助 Lance、File 等格式支持，企业可对全类型数据进行统一元数据管理、权限控制与生命周期治理，为 AI 模型训练提供高质量、可追溯的数据资产。