Re: max_standby_delay considered harmful

Поиск
Список
Период
Сортировка
От Heikki Linnakangas
Тема Re: max_standby_delay considered harmful
Дата
Msg-id 4BE19D37.4040305@enterprisedb.com
обсуждение исходный текст
Ответ на Re: max_standby_delay considered harmful  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: max_standby_delay considered harmful  (Robert Haas <robertmhaas@gmail.com>)
Список pgsql-hackers
Robert Haas wrote:
> Does my proposal (upthread) to limit this by quantity of WAL rather
> than time have any legs, or is that impractical and/or otherwise poor?

That would certainly be easier to implement sanely than a time-based
quantity. One problem is that we don't know how much unapplied WAL there
is, when you're not using streaming replication. And I'm not sure how
useful that is to users - it's very hard to estimate what to set it to.

--  Heikki Linnakangas EnterpriseDB   http://www.enterprisedb.com


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Robert Haas
Дата:
Сообщение: Re: max_standby_delay considered harmful
Следующее
От: Tom Lane
Дата:
Сообщение: Upcoming back-branch updates