Instant Schema Changes in Airtable’s New Database

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In our last post , we explained why we rewrote Airtable’s in-memory database in Rust. This post is about a specific tradeoff that came with it: keeping schema changes fast. Our legacy JavaScript database could add or remove a column without rewriting any existing rows, so schema changes were very quick. The new database’s row layout is more compact and faster to read, but that comes with a cost:…

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