Hello
I am testing vacuum changes, and I found some strange behave:
autovacuum off
[pavel@nemesis src]$ /usr/local/pgsql/bin/pgbench -i -F 10 -s 10 test
NOTICE: table "pgbench_branches" does not exist, skipping
NOTICE: table "pgbench_tellers" does not exist, skipping
NOTICE: table "pgbench_accounts" does not exist, skipping
NOTICE: table "pgbench_history" does not exist, skipping
test=# \dt+ List of relationsSchema | Name | Type | Owner | Size |
Description
--------+------------------+-------+-------+------------+-------------public | pgbench_accounts | table | pavel | 1302
MB |public | pgbench_branches | table | pavel | 8192 bytes |public | pgbench_history | table | pavel | 0 bytes
|public| pgbench_tellers | table | pavel | 48 kB |
(4 rows)
test=# \x
Expanded display is on.
test=# select * from pgstattuple('pgbench_accounts');
-[ RECORD 1 ]------+-----------
table_len | 1365336064
tuple_count | 1000000
tuple_len | 121000000
tuple_percent | 8.86
dead_tuple_count | 0
dead_tuple_len | 0
dead_tuple_percent | 0
free_space | 1228669388
free_percent | 89.99
test=# vacuum full pgbench_accounts;
VACUUM
test=# \dt+ List of relationsSchema | Name | Type | Owner | Size |
Description
--------+------------------+-------+-------+------------+-------------public | pgbench_accounts | table | pavel | 1302
MB |public | pgbench_branches | table | pavel | 8192 bytes |public | pgbench_history | table | pavel | 0 bytes
|public| pgbench_tellers | table | pavel | 48 kB |
(4 rows)
test=# select * from pgstattuple('pgbench_accounts');
-[ RECORD 1 ]------+-----------
table_len | 1365336064
tuple_count | 1000000
tuple_len | 128000000
tuple_percent | 9.37
dead_tuple_count | 0
dead_tuple_len | 0
dead_tuple_percent | 0
free_space | 1228669388
free_percent | 89.99
Regards
Pavel
