Re: autovacuum: I need some explanation

Поиск
Список
Период
Сортировка
От Alvaro Herrera
Тема Re: autovacuum: I need some explanation
Дата
Msg-id 20081029184649.GF4331@alvh.no-ip.org
обсуждение исходный текст
Ответ на autovacuum: I need some explanation  ("Noah Freire" <noah.freire@gmail.com>)
Ответы Re: autovacuum: I need some explanation  ("Noah Freire" <noah.freire@gmail.com>)
Список pgsql-hackers
Noah Freire escribió:

> please check the first log message: the vacuum threshold is 6,000,050 rows
> and the number of dead tuples is 16,697,969. Even though the number of
> dead_tuples is greater than the threshold the autovacuum is not being
> triggered for this table. So, besides this condition (dead_tuples >
> threshold) what else is taken into account by autovacuum?

That there's no other process doing the same.  Did you check
pg_stat_activity to ensure that there's really no autovacuum worker
processing this table?

> <2008-10-29 11:09:03.453 PDT>DEBUG: 00000: accounts: vac: 16697969
> (threshold 6000050), anl: 16697969 (threshold 120000048)
> <2008-10-29 11:09:05.610 PDT>DEBUG: 00000: accounts: vac: 16699578
> (threshold 6000050), anl: 16699578 (threshold 120000048)
> <2008-10-29 11:10:03.563 PDT>DEBUG: 00000: accounts: vac: 16735906
> (threshold 6000050), anl: 16735906 (threshold 120000048)

Are these log entries by the same process?  Please add %p to
log_line_prefix to see what's going on.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


В списке pgsql-hackers по дате отправления:

Предыдущее
От: "David Blewett"
Дата:
Сообщение: Re: pre-MED
Следующее
От: Alvaro Herrera
Дата:
Сообщение: Re: Block-level CRC checks