I'm trying to shore up the Python integration tests to make them more reliable. In doing so, I noticed this.
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This ensures that the data directories are always in a mutable file system, and not going through overlayfs.
In my testing, this sped up PostgreSQL database initialization a lot. In particular, `CREATE DATABASE` commands went from > 5s to < 0.1s.
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/5248
GitOrigin-RevId: 5104aea32c92559c323803020d727bebfdafb8e6