Re: Configuring synchronous replication

Поиск
Список
Период
Сортировка
От Dimitri Fontaine
Тема Re: Configuring synchronous replication
Дата
Msg-id m239t7s1qc.fsf@hi-media.com
обсуждение исходный текст
Ответ на Re: Configuring synchronous replication  (Simon Riggs <simon@2ndQuadrant.com>)
Список pgsql-hackers
Simon Riggs <simon@2ndQuadrant.com> writes:
> I've said COMMIT with no option because I believe that we have only two
> choices: commit or wait (perhaps forever), and IMHO waiting is not good.
>
> We can't ABORT, because we sent a commit to the standby.

Ah yes, I keep forgetting Sync Rep is not about 2PC. Sorry about that.

> Waiting might sound attractive. In practice, waiting will make all of
> your connections lock up and it will look to users as if their master
> has stopped working as well. (It has!). I can't imagine why anyone would
> ever want an option to select that; its the opposite of high
> availability. Just sounds like a serious footgun.

I guess that if there's a timeout GUC it can still be set to infinite
somehow. Unclear as the use case might be.

Regards,
-- 
dim


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Simon Riggs
Дата:
Сообщение: Re: Configuring synchronous replication
Следующее
От: Dimitri Fontaine
Дата:
Сообщение: Re: Progress indication prototype