"=?ISO-8859-1?B?WmhhbyBSdWk=?=" <875941...@qq.com> writes: > Newly promoted primary may leave an invalid checkpoint. > In function CreateRestartPoint, control file is updated and old wals are > removed. But in some situations, control file is not updated, old wals are > still removed. Thus produces an invalid checkpoint with nonexistent wal. > Crucial log: "invalid primary checkpoint record", "could not locate a valid > checkpoint record".
I believe this is the same issue being discussed here: https://www.postgresql.org/message-id/flat/20220316.102444.2193181487576617583.horikyota.ntt%40gmail.com but Horiguchi-san's proposed fix looks quite different from yours. regards, tom lane
