On Mon, Apr 22, 2024 at 10:25 AM Tom Lane <t...@sss.pgh.pa.us> wrote:
> Marcos Pegoraro <mar...@f10.com.br> writes: > > But wouldn't it be good that VACUUM FULL uses that index defined by > > Cluster, if it exists ? > > No ... what would be the difference then? > What the VACUUM docs "should" do, it seems, is suggest CLUSTER on the PK, if the PK is a sequence (whether that be an actual sequence, or a timestamp or something else that grows monotonically). That's because the data is already roughly in PK order.
