> On May 5, 2019, at 2:42 PM, Mariel Cherkassky <mariel.cherkassky@gmail.com> wrote:
>
> in aspect of upgrade, what will be faster, pg_upgrade or dump and restore each db in the cluster ?
pg_upgrade is faster, potentially *MUCH* faster, but it does not allow you to change anything about the on-disk data
structure,and storage of checksums is such a change.