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  5. Radim Marek: PostgreSQL's MVCC is bad. So is everyone else's.
Radim Marek: PostgreSQL's MVCC is bad. So is everyone else's.
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Radim Marek: PostgreSQL's MVCC is bad. So is everyone else's.

The first thing you will probably learn about Postgres, if you follow people who don't like Postgres, is that MVCC is bad. The 40-year-old design mistake. It's signatures are everywhere. Bloated tables that double in size, 32-bit…

DatabasesPlanet PostgreSQLPublished: July 27, 2026
Databases
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DatabasesPlanet PostgreSQLJul 27, 2026Content in its original language: Portuguese

Christophe Pettus: All Your GUCs in a Row: gin_fuzzy_search_limit

PostgreSQL's `gin_fuzzy_search_limit` silently returns a random subset of matching rows instead of all results—a dangerous trade of correctness for speed that…

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DatabasesPlanet PostgreSQLJul 26, 2026Content in its original language: Portuguese

Andrei Lepikhov: Why your pioneering Postgres feature should start in a fork

At a Postgres meetup in Melbourne, I finally got a straight answer to a question that had nagged me for quite a long time: why do people actually choose Postgres? It isn't an idle question for me — I spend my days reading field reports and…

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