INFO:  vacuuming "public.accounts"
INFO:  index "accounts_pkey" now contains 300000000 row versions in 822573 pages
DETAIL:  0 index row versions were removed.
0 index pages have been deleted, 0 are currently reusable.
CPU 5.30s/1.18u sec elapsed 61.09 sec.
INFO:  "accounts": found 0 removable, 300000000 nonremovable row versions in 10000000 pages
DETAIL:  0 dead row versions cannot be removed yet.
There were 0 unused item pointers.
10000000 pages contain useful free space.
0 pages are entirely empty.
CPU 70.16s/36.39u sec elapsed 887.40 sec.
INFO:  analyzing "public.accounts"
INFO:  "accounts": scanned 3000 of 10000000 pages, containing 90000 live rows and 0 dead rows; 3000 rows in sample, 300000000 estimated total rows
INFO:  free space map contains 398 pages in 63 relations
DETAIL:  A total of 1344 page slots are in use (including overhead).
1344 page slots are required to track all free space.
Current limits are:  10000000 page slots, 1000 relations, using 58698 kB.

WARNING:  relation "public.accounts" contains more than "max_fsm_pages" pages with useful free space
HINT:  Consider using VACUUM FULL on this relation or increasing the configuration parameter "max_fsm_pages".

INFO:  "accounts": found 100000000 removable, 200000000 nonremovable row versions in 10000000 pages
DETAIL:  0 dead row versions cannot be removed yet.
There were 0 unused item pointers.
10000000 pages contain useful free space.
0 pages are entirely empty.
CPU 348.26s/1432.18u sec elapsed 5563.14 sec.
WARNING:  relation "public.accounts" contains more than "max_fsm_pages" pages with useful free space
HINT:  Consider using VACUUM FULL on this relation or increasing the configuration parameter "max_fsm_pages".
INFO:  analyzing "public.accounts"
INFO:  "accounts": scanned 3000 of 10000000 pages, containing 60870 live rows and 0 dead rows; 3000 rows in sample, 202900000 estimated total rows

INFO:  vacuuming "public.accounts"
INFO:  scanned index "accounts_pkey" to remove 999999 row versions
DETAIL:  CPU 0.23s/1.60u sec elapsed 10.50 sec.
INFO:  "accounts": removed 999999 row versions in 16395 pages
DETAIL:  CPU 0.34s/0.09u sec elapsed 3.32 sec.
INFO:  index "accounts_pkey" now contains 9000001 row versions in 27422 pages
DETAIL:  999999 index row versions were removed.
2730 index pages have been deleted, 0 are currently reusable.
CPU 0.00s/0.00u sec elapsed 0.00 sec.
INFO:  "accounts": found 999999 removable, 9000001 nonremovable row versions in 163935 pages
DETAIL:  0 dead row versions cannot be removed yet.
There were 0 unused item pointers.
16394 pages contain useful free space.
0 pages are entirely empty.
CPU 1.35s/2.43u sec elapsed 17.68 sec.
INFO:  analyzing "public.accounts"
INFO:  "accounts": scanned 3000 of 163935 pages, containing 165920 live rows and 0 dead rows; 3000 rows in sample, 9066698 estimated total rows
INFO:  free space map contains 60 pages in 63 relations
DETAIL:  A total of 1008 page slots are in use (including overhead).
1008 page slots are required to track all free space.
Current limits are:  204800 page slots, 1000 relations, using 1305 kB.

Sur serveur1 :

pg_dump -h serveur1 test | pg_restore -h serveur2 test
pg_restore: [archiver] could not open input file "test": No such file or directory
pg_dump: [archiver (db)] connection to database "test" failed: could not connect to server: Connection refused
        Is the server running on host "serveur1" and accepting
        TCP/IP connections on port 5432?

test=# SELECT pg_database_size('test');
 pg_database_size
------------------
       3251392108
(1 row)

3179376 ./PGTEST01/base/16420