Re: UPDATE 66k rows too slow

Поиск
Список
Период
Сортировка
От andrew@pillette.com
Тема Re: UPDATE 66k rows too slow
Дата
Msg-id 200803100410.m2A4AAd09614@pillette.com
обсуждение исходный текст
Ответ на UPDATE 66k rows too slow  (Miguel Arroz <arroz@guiamac.com>)
Список pgsql-performance
Miguel Arroz <arroz@guiamac.com> wrote ..

>    I'm testing an update on 66k rows on Postgresql, and it seems
> something is not right here.
>
>    My server is a Quad-Xeon 3.2 Ghz with 2 GB RAM and a RAID 1 running
> FreeBSD 6.3 and PgSQL 8.3. My development machine is a PowerBook G4
> 1.67 Ghz with 2 GB RAM, OS X Leopard and PgSQL 8.3.

[62 seconds on server, 25 seconds on much weaker development machine]

OK, my guess is that the server's tables are bloated beyond what regular VACUUM can fix. Try a VACUUM FULL VERBOSE or a
re-CLUSTERif the tables are clustered. 

Hope this helps.

В списке pgsql-performance по дате отправления:

Предыдущее
От: Miguel Arroz
Дата:
Сообщение: UPDATE 66k rows too slow
Следующее
От: Tom Lane
Дата:
Сообщение: Re: UPDATE 66k rows too slow