Vacuum takes forever

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От Joost Kraaijeveld
Тема Vacuum takes forever
Дата
Msg-id 1180458223.18930.16.camel@panoramix
обсуждение исходный текст
Ответы Re: Vacuum takes forever  (PFC <lists@peufeu.com>)
Re: Vacuum takes forever  (Dave Page <dpage@postgresql.org>)
Re: Vacuum takes forever  (Jim Nasby <decibel@decibel.org>)
Список pgsql-performance
Hi

I am currently running a vacuum analyse through PgAdmin on a PostgreSQL
8.1.9 database that takes forever without doing anything: no
(noticeable) disk activity or (noticeable) CPU activity.

The mesage tab in PgAdmin says:

...
Detail: 0 index pages have been deleted, 0 are currently reusable.
CPU 0.01s/0.00u sec elapsed 568.16 sec
....

and lots of entries looking just like this ( 0 % CPU, > 500 secs).

There are no other connections to the database and the machine does not
do anything else than me typing this e-mail and playing Metallica MP3's.

Could this be because of my Cost-Based Vacuum Delay settings ?

vacuum_cost_delay = 200
vacuum_cost_page_hit = 6
#vacuum_cost_page_miss = 10             # 0-10000 credits
#vacuum_cost_page_dirty = 20            # 0-10000 credits
vacuum_cost_limit = 100



--
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
web: www.askesis.nl

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