Greetings, On Wed, Apr 21, 2021 at 17:01 Andres Freund <and...@anarazel.de> wrote:
> On 2021-04-21 16:55:28 -0400, Tom Lane wrote: > > My concern about it was not at all about performance, but that every time > > you write it is a new opportunity for the filesystem to lose or corrupt > > the data. > > We already do, sometimes very frequent, control file updates on standbys > to update minRecoveryLSN. I don't recall reports of that causing > corruption issues. So I'd not be too concerned about that aspect? Or perhaps we should consider having multiple copies..? Though I definitely have seen missing WAL causing difficult to realize / detect corruption more than corrupt pg_control files... Thanks, Stephen >