Re: PG Stats Collector
| От | Michael Paquier |
|---|---|
| Тема | Re: PG Stats Collector |
| Дата | |
| Msg-id | CAB7nPqTu_yEG4=tuB8pX6fEXEn-KXY4xXoeP=bOn-mgsdfb-jg@mail.gmail.com обсуждение исходный текст |
| Ответ на | PG Stats Collector (Arvind Singh <arvindps@hotmail.com>) |
| Ответы |
Re: PG Stats Collector
|
| Список | pgsql-general |
For such things documentation is your best friend. Please see inline.
Michael
On Sun, May 12, 2013 at 4:30 PM, Arvind Singh <arvindps@hotmail.com> wrote:
-- I need help in understanding the purpose of the following columns produced by PG stats collector in version 9.1
From pg_stat_database
-----------------------------
blks_read,
blks_hit,
_tup_returned,
tup_fetched
Meaning of columns of pg_stat_database:
Reported In pg_stat_user_tables
-------------------------------------
idx_tup_fetch,
n_tup_hot_upd,
n_live_tup,
n_dead_tup
pg_stat_user_tables is similar to pg_stat_all_tables, except that it contains only user tables:
http://www.postgresql.org/docs/9.2/static/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW
http://www.postgresql.org/docs/9.2/static/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW
Thanks,
Michael
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