On Wed, Dec 19, 2018 at 5:37 PM Andres Freund <and...@anarazel.de> wrote: > What's gained by the logic of emitting that warning in VACUUM after a > crash? I don't really see any robustness advantages in it. If the logic > were that we'd never reuse empty pages because they can hide corruption > that normally would discovered by checksums, then we shouldn't > reinitialize them at all and instead error out hard - but we can't do > that, because it's normal that they occur. Right now we have empty > pages on-disk whenever a busy server is restarted in immediate mode, > after all.
I don't know. I am just normally reluctant to change things precipitously that are of long tenure. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
