| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Bloat issue on 8.3; autovac ignores HOT page splits? |
| Date: | 2011-01-25 18:28:14 |
| Message-ID: | 4D3F163E.100@agliodbs.com |
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| Lists: | pgsql-performance |
> Can we see those stats again with n_tup_ins/upd/del?
Sure:
-[ RECORD 2 ]----------+------------------------------
schemaname | public
relname | general_info
n_dead_tup | 12
n_live_tup | 1
n_tup_upd | 8817
n_tup_del | 0
n_tup_ins | 0
n_tup_hot_upd | 8817
pg_relation_size | 155648
pg_total_relation_size | 172032
-[ RECORD 4 ]----------+------------------------------
schemaname | public
relname | current_info
n_dead_tup | 27
n_live_tup | 1
n_tup_upd | 3296
n_tup_del | 0
n_tup_ins | 0
n_tup_hot_upd | 3296
pg_relation_size | 385024
pg_total_relation_size | 409600
One question: in 8.3 and earlier, is the FSM used to track dead_rows for
pg_stat_user_tables?
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com
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