On Sun, Jan 26, 2025 at 3:11 PM Robert Treat <r...@xzilla.net> wrote: > Hmm... isn't "don't try" really more logically equivalent to "stop > after zero failures", with "try until zero failures" more of the > inverse... more like "never stop never stopping"?
No. Or at least, I don't think that's how English works. > So that middle bit is trying to act as glue that pulls this all > together. I thought the previous version was closer, with Haas's > feedback I might go with something more like this: > > <para> > - <command>VACUUM</command> normally only scans pages that have been > modified > - since the last vacuum, but > <structfield>relfrozenxid</structfield> can only be > - advanced when every page of the table > - that might contain unfrozen XIDs is scanned. This happens when > + While <command>VACUUM</command> typically scans pages that have been > + modified since the last vacuum, it may also eagerly scan some > all-visible but not > + all-frozen pages in an attempt to freeze them, but the > + <structfield>relfrozenxid</structfield> will only be advanced when > + every page of the table that might contain unfrozen XIDs is scanned. > + This happens when I like that. -- Robert Haas EDB: http://www.enterprisedb.com
