Re: Idea for vacuuming

Поиск
Список
Период
Сортировка
От Joseph Shraibman
Тема Re: Idea for vacuuming
Дата
Msg-id e7ha83$1dav$1@news.hub.org
обсуждение исходный текст
Ответ на Re: Idea for vacuuming  (Jim Nasby <decibel@decibel.org>)
Ответы Re: Idea for vacuuming  ("Jim C. Nasby" <jnasby@pervasive.com>)
Список pgsql-general
I like to make sure the vacuum takes place during off peak times, which
is why I don't use autovacuum.

Jim Nasby wrote:
> On Jun 22, 2006, at 7:12 PM, Joseph Shraibman wrote:
>> I'm running a 8.0 database.  I have a very large log table that is
>> rarely updated or deleted from.  The nightly vacuum does not know
>> this, and spends a lot of time on it, and all its indexes.
>>
>> My RFE: When vacuuming a table, pg should try to vacuum the primary
>> key first.  If that results in 0 recovered entries, then assume the
>> table has no updates/deletes and skip the rest of that table.  I'm
>> picking the primary key here, but any index that indexes each row of
>> the table will do.  Maybe it should just pick the smallest index that
>> indexes each row of the table.
>
> *shrug* It's kinda hard to get excited about that when running
> autovacuum (or pg_autovacuum in the case of 8.0) would be a much better
> solution.
> --
> Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
> Pervasive Software      http://pervasive.com    work: 512-231-6117
> vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>

В списке pgsql-general по дате отправления:

Предыдущее
От: Dylan Hansen
Дата:
Сообщение: pg_dump With OIDs Supported?
Следующее
От: "TJ O'Donnell"
Дата:
Сообщение: Re: Changing encoding of a database