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So are they using Parquet, ORC or Arrow under the hood; or do they have a custom format?
by BenoitP 6y ago
So are they using Parquet, ORC or Arrow under the hood; or do they have a custom format?
- mslot 6y agoIt is a custom format that was originally derived from ORC, but is very different at this point. For instance, all the metadata is kept in PostgreSQL catalog tables to make changes transactional.