> On 6 Aug 2024, at 18:29, Christophe Pettus <xof@xxxxxxxxxxxx> wrote: >> On Aug 6, 2024, at 08:11, bruno vieira da silva <brunogiovs@xxxxxxxxx> wrote: >> the pg doc >> mentions a considerable performance penality, how considerable it is? > > That line is probably somewhat out of date at this point. We haven't seen a significant slowdown in enabling them on any modern hardware. I always turn them on, except on the type of filesystems/hardware mentioned above. The last in-depth analysis of data checksums (and hint bits) overhead that I can remember is from 2019: https://www.postgresql.org/message-id/20190330192543.GH4719%40development Hardware advances in the last five years may very well have made these findings irrelevant however. -- Daniel Gustafsson
