I did: select pg_cancel_backend(pid) from pg_stat_activity where usename <>
'mine';
and then tried again vacuum full:
INFO: vacuuming "my_table"
INFO: "my_table": found 0 removable, 3043947 nonremovable row versions in
37580 pages
DETAIL: 0 dead row versions cannot be removed yet.
CPU 1.07s/1.56u sec elapsed 3.24 sec.
Query returned successfully with no result in 6436 ms.
PostgreSQL 9.3.5 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.8.2
20140120 (Red Hat 4.8.2-16), 64-bit
It was flash copy snapshot
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