Re: Would it be possible to have parallel archiving?
От | Andrey Borodin |
---|---|
Тема | Re: Would it be possible to have parallel archiving? |
Дата | |
Msg-id | 22D9C4DD-54F2-435F-8022-E3D4F7D3A9B2@yandex-team.ru обсуждение исходный текст |
Ответ на | Re: Would it be possible to have parallel archiving? (Stephen Frost <sfrost@snowman.net>) |
Список | pgsql-hackers |
> 28 авг. 2018 г., в 17:41, Stephen Frost <sfrost@snowman.net> написал(а): > > Pushing files which are indicated by archive status as being ready is > absolutely an entirely different thing from whacking around the status > files themselves which PG is managing itself. I disagree. Returning archive_command exit code as a result of prior reading archive_status is not safe. "absolutely an entirely different thing" is a speculation just like "jumping out of 5th floor is safer than jumping out 10th".If archive is not to be monitored properly - do not whack with archive_status at all. pgBackRest is no safer that WAL-Gin this aspect. They are prone to the same conditions, changing behavior of archive_status will affect them both. I'm aware of the issue and monitor PG changes in this aspect. I do not pretend that there cannot be any problem at all andthis method will stay safe forever. But now it is. Best regards, Andrey Borodin.
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