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Hudi supports the following views of stored data

  • Excerpt Include
    read
    pptimized view : Queries on this view see the latest snapshot of the dataset as of a given commit or compaction action. This view exposes only the base/columnar files in latest file slices to the queries and guarantees the same columnar query performance compared to a non-hudi columnar dataset.
    optimized view
    read optimized view
  • incremental view : Queries on this view only see new data written to the dataset, since a given commit/compaction. This view effectively provides change streams to enable incremental data pipelines.
  • realtime view : Queries on this view see the latest snapshot of dataset as of a given delta commit action. This view provides near-real time datasets (few mins) by merging the base and delta files of the latest file slice on-the-fly.

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