Yes, the LOBs themselves are tiny, but there are a lot of them (~150 million) which seem to be slowing down pg_dump. Note, we did not design/build this system and agree that use of LOBs for this purpose was not necessary.
Wyatt On Mon, Feb 5, 2024 at 11:36 AM Ron Johnson <ronljohnso...@gmail.com> wrote: > On Mon, Feb 5, 2024 at 2:01 PM Wyatt Tellis <wyatt.tel...@gmail.com> > wrote: > >> Hi, >> >> We've inherited a series of legacy PG 12 clusters that each contain a >> database that we need to migrate to a PG 15 cluster. Each database contains >> about 150 million large objects totaling about 250GB. >> > > 250*10^9 / (150*10^6) = 1667 bytes. That's *tiny*. > > Am I misunderstanding you? > >>
