Re: ANALYZE and index/stats degradation

Поиск
Список
Период
Сортировка
От Jeroen T. Vermeulen
Тема Re: ANALYZE and index/stats degradation
Дата
Msg-id 15164.125.24.240.137.1183393988.squirrel@webmail.xs4all.nl
обсуждение исходный текст
Ответ на Re: ANALYZE and index/stats degradation  (Gregory Stark <stark@enterprisedb.com>)
Список pgsql-hackers
On Mon, July 2, 2007 22:17, Gregory Stark wrote:

> The way you described it there were records being inserted and later
> deleted.
> Why wouldn't you need vacuums?
>
> Or are all the records eventually deleted and then the table truncated or
> dropped before the next batch of inserts?

In a nuthshell, yes.  The problem is I can't delete them all at once; it
happens in batches, and that means that stats degrade in the meantime.


Jeroen




В списке pgsql-hackers по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: Postgresql.conf cleanup
Следующее
От: Gregory Stark
Дата:
Сообщение: Re: Configurable Additional Stats