On Sat, 2025-03-01 at 19:44 -0500, Ron Johnson wrote:
> [warning and instructions for downgrading PostgreSQL]
> 1. Why would you need to edit the dump file?
Because it might not load into a server with a lower version.
> 2. It's not 2013 anymore: Use multiple threads when backing up!
You cannot do that with the "plain" format, since it writes to a
single file. And you cannot use the "directory" format that would
allow parallelization, because you cannot edit the DDL statements
with a binary format.
Just don't downgrade PostgreSQL. There is no good reason to do that.
Yours,
Laurenz Albe