Re: a back up question

Alvaro Herrera <alvherre@alvh.no-ip.org>

From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Carl Karsten <carl@personnelware.com>
Cc: Martin Mueller <martinmueller@northwestern.edu>, "pgsql-general@lists.postgresql.org" <pgsql-general@lists.postgresql.org>
Date: 2017-12-05T23:05:03Z
Lists: pgsql-general
Carl Karsten wrote:
> On Tue, Dec 5, 2017 at 4:15 PM, Alvaro Herrera <alvherre@alvh.no-ip.org>
> wrote:

> > A backup generated by pg_dump never includes writes that are in flight
> > while the backup is being taken.  That would make the backup absolutely
> > worthless!
> 
> Hmm, i kinda glossed over my point:
> if you come up with your own process to chop up the backup into little
> pieces, you risk letting writes in, and then yeah, worthless.

Ah, sure.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services