>What is the output of VACUUM VERBOSE foobar_log?
INFO: vacuuming "public.foobar_log"
INFO: index "bar_index" now contains 23832007 row versions in 118151 pages
DETAIL: 0 index row versions were removed.
0 index pages have been deleted, 0 are currently reusable.
CPU 0.02s/0.00u sec elapsed 64.10 sec.
INFO: index "foobarid_foobar_log_key" now contains 23832007 row versions in 65347 pages
DETAIL: 0 index row versions were removed.
0 index pages have been deleted, 0 are currently reusable.
CPU 0.02s/0.00u sec elapsed 32.60 sec.
INFO: index "foo_foobar_log_key" now contains 23832007 row versions in 65347 pages
DETAIL: 0 index row versions were removed.
0 index pages have been deleted, 0 are currently reusable.
CPU 0.03s/0.00u sec elapsed 25.14 sec.
INFO: "foobar_log": found 0 removable, 23832007 nonremovable row versions in 269835 pages
DETAIL: 0 dead row versions cannot be removed yet.
There were 0 unused item pointers.
1 pages contain useful free space.
0 pages are entirely empty.
CPU 0.16s/0.09u sec elapsed 299.55 sec.
VACUUM
