Re: Better support of exported snapshots with pg_dump

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От Bernd Helmle
Тема Re: Better support of exported snapshots with pg_dump
Дата
Msg-id 1BE0F00AB388000B75A8E7D7@eje.credativ.lan
обсуждение исходный текст
Ответ на Better support of exported snapshots with pg_dump  (Michael Paquier <michael.paquier@gmail.com>)
Ответы Re: Better support of exported snapshots with pg_dump  (Andres Freund <andres@2ndquadrant.com>)
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--On 1. September 2014 17:00:32 +0900 Michael Paquier 
<michael.paquier@gmail.com> wrote:

> Currently pg_dump does not allow a user to specify an exported snapshot
> name that he would like to use for a dump using SET TRANSACTION SNAPSHOT
> (now pg_export_snapshot is only used for parallel pg_dump within it). I
> imagine that this would be handy to take a consistent dump of a given
> database after creating a logical replication slot on it. Thoughts?

There was a discussion of this kind of feature some time ago here:

<http://www.postgresql.org/message-id/CA+U5nMK9+TTCff_-4MfdxWHnASTAuHuq7u7uedD57vaY28AsQA@mail.gmail.com>

Not sure if all the arguments holds still true with the appearance of MVCC 
catalog scans.

-- 
Thanks
Bernd

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