Re: Incremental backup - Mailing list pgsql-general

From Ron
Subject Re: Incremental backup
Date
Msg-id 147b8f25-29ab-86bb-6201-7ab724d306ce@gmail.com
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In response to Re: Incremental backup  (Andreas Joseph Krogh <andreas@visena.com>)
List pgsql-general
On 10/28/21 5:07 PM, Andreas Joseph Krogh wrote:
På torsdag 28. oktober 2021 kl. 23:09:19, skrev Ron <ronljohnsonjr@gmail.com>:
[...]
It's still a bunch of transaction logs, whereas differential and incremental
backups only backup the changed pages, no matter how many times they've been
changed.

That's a serious reduction in disk space, and time to apply them.
 
 
I think everybody agrees that incremental backup per database, and not cluster-wide, is nice, and it would be nice if PG supported it. But, given the way PG is architectured, having cluster-wide WALs, that's not an easy task to implement.

Which is what I said a couple of hours ago.

--
Angular momentum makes the world go 'round.

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