On Thu, May 27, 2021 at 05:45:21PM +0800, Neil Chen wrote: > Greetings, > > On Thu, May 27, 2021 at 4:52 PM Bruce Momjian <br...@momjian.us> wrote: > > > > > I am confused why checksums, which are widely used, acceptably require > > wal_log_hints, but there is concern that file encryption, which is > > heavier, cannot acceptably require wal_log_hints. I must be missing > > something. > > > > Why can't checksums also throw away hint bit changes like you want to do > > for file encryption and not require wal_log_hints? > > > > I'm really confused about it, too. I read the above communication, not sure if > my understanding is correct... What we are facing is not only the change of > flag such as *pd_flags*, but also others like pointer array changes in btree > like Robert said. We don't need them to write a WAL record.
Well, the code now does write full page images for hint bit changes, so it should work fine. -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.
