Queries see the latest snapshot of the def~table as of a given commit / compaction def~instant-action; 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 def~table.

Following table summarizes the trade-offs between the different def~query-types.

Trade-offdef~read-optimized-querydef~snapshot-query
Data LatencyHigherLower
Query LatencyLower (raw base / columnar file performance)Higher (merge  base / columnar file+ row based delta/log files)

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