Re: [HACKERS] Online backup vs Continuous backup

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, PostgreSQL-documentation <pgsql-docs(at)postgresql(dot)org>
Subject: Re: [HACKERS] Online backup vs Continuous backup
Date: 2005-12-26 19:07:06
Message-ID: 200512261907.jBQJ76Q17355@candle.pha.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-docs pgsql-hackers pgsql-patches

Joshua D. Drake wrote:
> Bruce Momjian wrote:
> > I noticed that we are using the term "Online Backup" in our
> > documentation when we are talking about continuous backup and PITR.
> >
> > To me, "online backup" is doing a backup while the system is online
> > (online-backup), and that is accomplished by pg_dump. I know a lot of
> > databases us "Online Backup" but I assume this is for historical reasons
> > because at some time in the past their full backups didn't work while
> > the database was online. Other systems use the term "Continuous
> > Logging", but I think that is too easily confused with the server
> > activity logs.
> >
> > I suggest the following patch to rename our capability "Continuous
> > Backup".
>
> I have never heard the term Continuous backup. Although I have heard
> online backup. The problem is that when I hear the term online backup
> I think Hot backup which is what we do with pg_dump.

Yes, that is my problem too.

> I would just call the other Point in time recovery :)

The problem there is that it is "recovery", and the documentation talks
about the "backup" step. I am thinking we are going to have to add
something like "Continuous backup, also called Online Backup" or
something like that.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

In response to

Responses

Browse pgsql-docs by date

  From Date Subject
Next Message Heikki Linnakangas 2005-12-26 19:46:44 Re: [HACKERS] Online backup vs Continuous backup
Previous Message Joshua D. Drake 2005-12-26 19:02:50 Re: [HACKERS] Online backup vs Continuous backup

Browse pgsql-hackers by date

  From Date Subject
Next Message Andrew Dunstan 2005-12-26 19:42:07 Re: [PATCHES] default resource limits
Previous Message Joshua D. Drake 2005-12-26 19:02:50 Re: [HACKERS] Online backup vs Continuous backup

Browse pgsql-patches by date

  From Date Subject
Next Message Andrew Dunstan 2005-12-26 19:42:07 Re: [PATCHES] default resource limits
Previous Message Joshua D. Drake 2005-12-26 19:02:50 Re: [HACKERS] Online backup vs Continuous backup