Re: VACUUM and open transactions

Поиск
Список
Период
Сортировка
От Martijn van Oosterhout
Тема Re: VACUUM and open transactions
Дата
Msg-id 20061019202236.GD13348@svana.org
обсуждение исходный текст
Ответ на VACUUM and open transactions  (Joseph Shraibman <jks@selectacast.net>)
Ответы Re: VACUUM and open transactions  (Joseph S <jks@selectacast.net>)
Re: VACUUM and open transactions  (Ron Johnson <ron.l.johnson@cox.net>)
Список pgsql-general
On Thu, Oct 19, 2006 at 04:18:50PM -0400, Joseph Shraibman wrote:
> I'm running postgres 8.0.8.  I have a table that is updated very
> rapidly, so I vacuum it every 10 minutes.  The problem is that I
> sometimes have transactions that hang out for a long time without doing
> anything.  These transactions are preventing VACUUM from cleaning up
> tuples that were created and then deleted in transactions that started
> way after the hanging one.  Is there any way to fix this?

Sure, don't keep transactions open for so long. Is there a particular
reason you do that?

The problem is that the "old" transaction can see effects of later
started transactions, so VACUUM can't delete the later stuff either...

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.

Вложения

В списке pgsql-general по дате отправления:

Предыдущее
От: Joseph Shraibman
Дата:
Сообщение: VACUUM and open transactions
Следующее
От: Joseph S
Дата:
Сообщение: Re: VACUUM and open transactions