On Sat, Jun 22, 2019 at 11:01 AM Alexander Korotkov <a.korot...@postgrespro.ru> wrote: > 3. Change SLRU on-disk format to handle 64-bit xids and multixacts. > In particular make SLRU page numbers 64-bit too. Add SLRU upgrade > procedure to pg_upgrade.
+1 for doing this for the xid-indexed SLRUs so the segment file names are never recycled. Having yet another level of wraparound code to feed and water and debug is not nice: https://www.postgresql.org/message-id/flat/20190202083822.GC32531%40gust.leadboat.com -- Thomas Munro https://enterprisedb.com
