> On Aug 6, 2024, at 08:11, bruno vieira da silva <brunogiovs@xxxxxxxxx> wrote: > > so my question is why data checksums aren't enabled by default on pg? At this point, mostly historical reasons. They're also superfluous if your underlying file system or storage hardware does storage-level corruption checks (which most don't). > 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 That line is probably somewhat out of date at this point.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.
