At Mon, 17 May 2021 13:01:04 +0900 (JST), Kyotaro Horiguchi <horikyota....@gmail.com> wrote in > At Mon, 17 May 2021 12:20:12 +0900 (JST), Kyotaro Horiguchi > <horikyota....@gmail.com> wrote in > > Assuming that we keep expectedTLEs synced with recoveryTargetTLI, > > rescanLatestTimeLine updates the list properly so no need to worry > > about the future. So the issue would be in the past timelines. After > > reading the checkpoint record, if we need to rewind to the previous > > timeline for the REDO point, the dummy list is inconvenient. > > By the way, I tried reproducing this situation, but ended in finding > it a kind of impossible because pg_basebackup (or pg_stop_backup()) > waits for the promotion checkpoint to end.
Mmm. That's wrong. What the tool waits is not a promotion checkpoint, but a backup-checkpoint, maybe. (I don't remember cleary about that, sorry.) > If we make a backup in a somewhat broken steps, that could be done but > I didn't try. So there might still be a way to reproduce that. regards. -- Kyotaro Horiguchi NTT Open Source Software Center