Adrian Klaver <adrian.kla...@aklaver.com> writes: > On 2/27/23 08:36, Tom Lane wrote: >> If it was based on something like "du", perhaps the measurement >> was fooled by the fact that most of the data files will be hard-linked >> between the old and new clusters.
> Does that happen without the --link option?
No, but the OP didn't mention whether he used that, and even if he
didn't say it explicitly the pg_upgradecluster wrapper might've
supplied it.
regards, tom lane
