On Sunday, June 28, 2026, PG Doc comments form <[email protected]> wrote:
> The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/18/glossary.html > Description: > > > The basic structure used to store relation data. All pages are of the > same > size. Data pages are typically stored on disk, each in a specific file, and > can be read to shared buffers where they can be modified, becoming dirty. > They become clean when written to disk. New pages, which initially exist in > memory only, are also dirty until written. > > Am I correct in understanding from this description that all files on the > disk will be the same size? > One page = one file? > No. A page is an atomic unit subset of a file. Files contain many pages. It would be crazy to limit file sizes to 8kb when we have GB available. David J.
