On 7/5/25 09:52, Pierre Fortin wrote: > Hi, > > [Hope this gets through after dumping DKIM-ignorant mail provider.] > > Wanting to upgrade from: > PostgreSQL 15.13 on x86_64-mageia-linux-gnu, > compiled by gcc (Mageia 15.1.0-1.mga10) 15.1.0, 64-bit > to: > PG 17.5 > > Way back, I was able to use -k|--link option on pg_upgrade (PG13 to PG15); > but since then: > > - my DB has grown to over 8TB
How did you measure above?
> - even with ~70TB, I don't have enough contiguous disk space to > dump/restore
What was the pg_dump command?
For something that big, he must have been doing an uncompressed plain format dump instead of a directory/custom format dump. Maybe even added --attribute-inserts too.
