Hi! > 23 янв. 2020 г., в 00:59, Peter Geoghegan <p...@bowt.ie> написал(а): > > On Fri, Jan 17, 2020 at 5:43 PM Peter Geoghegan <p...@bowt.ie> wrote: >> I tried to come up with a specific example of how this could be >> unsafe, but my explanation was all over the place (this could have had >> something to do with it being Friday evening). Even still, it's up to >> the patch to justify why it's safe, and that seems even more >> difficult. > > I can't see a way around this problem, so I'm marking the patch rejected.
In this thread [0] we decided that lock coupling is necessary for btree_xlog_unlink_page(). So, maybe let's revive this patch? Thanks! Best regards, Andrey Borodin. [0] https://www.postgresql.org/message-id/flat/CAH2-Wzm7T_O%2BVUeo7%3D_NGPncs08z3JEybEwVLZGaASnbfg5vDA%40mail.gmail.com#a4ef597251fed0eb5c2896937bdbd0cc