Hello,
I found this today. Note, auto vacuum has been disabled for this
relation for a very, very long time. At the very end you will see that
this relation has been autovacuumed previously as well. We have a manual
cron to vacuum this table every hour so I am unsure why autovacuum is
doing what it is doing.
app=# select * from pg_autovacuum where vacrelid = '21474846';
-[ RECORD 1 ]----+---------
vacrelid | 21474846
enabled | f
vac_base_thresh | 0
vac_scale_factor | 0
anl_base_thresh | 0
anl_scale_factor | 0
vac_cost_delay | 0
vac_cost_limit | 0
freeze_min_age | 0
freeze_max_age | 0
-[ RECORD 1 ]-+--------------------------------------------
datid | 41824
datname | bar
procpid | 23019
usesysid | 10
usename | postgres
current_query | autovacuum: VACUUM ANALYZE public.foo
waiting | t
xact_start | 2009-02-13 15:02:04.938608-05
query_start | 2009-02-13 15:02:04.938608-05
backend_start | 2009-02-13 15:01:29.001314-05
client_addr |
client_port |
-[ RECORD
1 ]--+---------------------------------------------------------------------
relname | foo
relnamespace | 2200
reltype | 21474848
relowner | 16388
relam | 0
relfilenode | 83717977
reltablespace | 53723308
relpages | 200675
reltuples | 1.47796e+06
reltoastrelid | 83717991
reltoastidxid | 0
relhasindex | t
relisshared | f
relkind | r
relnatts | 13
relchecks | 3
reltriggers | 7
relukeys | 0
relfkeys | 0
relrefs | 0
relhasoids | f
relhaspkey | t
relhasrules | f
relhassubclass | t
relfrozenxid | 1921217148
relacl |
{kangaroo=arwdxt/kangaroo,postgres=arwdxt/kangaroo,gecko=r/kangaroo}
reloptions |
app=# select * from pg_stat_user_tables where relname = 'freq_mesg';
-[ RECORD 1 ]----+------------------------------
relid | 21474846
schemaname | public
relname | foo
seq_scan | 1782558
seq_tup_read | 466560347
idx_scan | 645524149
idx_tup_fetch | 954031368
n_tup_ins | 772875
n_tup_upd | 3594780
n_tup_del | 486793
n_tup_hot_upd | 957822
n_live_tup | 1477979
n_dead_tup | 152
last_vacuum | 2009-02-13 15:00:54.190851-05
last_autovacuum | 2009-02-13 14:29:05.220037-05
last_analyze | 2009-02-13 15:00:54.190851-05
last_autoanalyze | 2009-02-13 14:29:05.220037-05
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