That is what the “regular” PlanetScale is all about. It uses the Vitess open source project to do write scaling through shading. It is very powerful and customizable and stable. It was built to run YouTube. Former happy user here.
replyVitess/Planetscale?
Neki is essentially a version of Vitess for Postgres fom the same guys.
replyMany of the engineers who built Neki also worked on Vitess for years. But it's a ground up new implementation designed to specifically target Postgres.
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replyTiDB: Distributed and MySQL compatible
replyMariaDB Galera or Vitess.
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