| From: | Manfred Koizar <mkoi-pg(at)aon(dot)at> |
|---|---|
| To: | Patrick Macdonald <patrickm(at)redhat(dot)com> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Martin Marques <martin(at)bugs(dot)unl(dot)edu(dot)ar>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Incremental backup |
| Date: | 2003-02-14 10:28:51 |
| Message-ID: | vegp4vcvq9gvl6i65fv046rka0k7r8r4ls@4ax.com |
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| Lists: | pgsql-hackers |
On Thu, 13 Feb 2003 19:24:13 -0500, Patrick Macdonald
<patrickm(at)redhat(dot)com> wrote:
>I know Oracle and DB2 have incremental backup in their arsenal (and iirc,
>SQL Server has something called "differential backup"). Whatever the name,
>it's a win at the enterprise level.
"A differential backup copies only the database pages that have been
modified after the last full database backup."
This could be doable using XLogRecPtr pd_lsn in the page headers, but
I don't see an easy way to do it on a live database.
Servus
Manfred
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