On Fri, Feb 7, 2025 at 1:39 PM Alexander Korotkov <aekorot...@gmail.com> wrote: > Good, thank you. I think 0001 patch is generally good, but needs some > further polishing, e.g. more comments explaining how does it work.
Two things comes to my mind worth rechecking about 0001. 1) Are XLogCtl->InitializeReserved, XLogCtl->InitializedUpTo and XLogCtl->xlblocks always page-aligned? Because algorithm seems to be sensitive to that. If so, I would propose to explicitly comment that and add corresponding asserts. 2) Check if there are concurrency issues between AdvanceXLInsertBuffer() and switching to the new WAL file. ------ Regards, Alexander Korotkov Supabase