On Thu, May 27, 2021 at 5:24 AM Greg Sabino Mullane <htamf...@gmail.com> wrote: > > The attached patch makes an optimization to pg_checksums which prevents > rewriting the block if the checksum is already what we expect. This can lead > to much faster runs in cases where it is already set (e.g. enabled -> > disabled -> enable, external helper process, interrupted runs, future > parallel processes). There is also an effort to not sync the data directory > if no changes were written. Finally, added a bit more output on how many > files were actually changed, e.g.:
I don't know how often this will actually help as probably people aren't toggling the checksum state that often, but it seems like a good idea overall. The patch looks sensible to me.
