The only faster way to do a backup is to shut down the postmaster and
tar the /data directory.
---------------------------------------------------------------------------
Rommel B. Abaya wrote:
> isn't there any faster method to backup data than pg_dump ???
>
> or is there a way to speed up pg_dump ???
>
>
> ----- Original Message -----
> From: Oliver Elphick <olly@lfix.co.uk>
> To: pginfo <pginfo@t1.unisoftbg.com>
> Cc: <pgsql-admin@postgresql.org>
> Sent: Saturday, July 20, 2002 3:38 PM
> Subject: Re: [ADMIN] Automatic backup with Linux.
>
>
> > On Sat, 2002-07-20 at 06:58, pginfo wrote:
> > > My question:
> > > 1. Ho to execute this script as user postgres under Linux. I will to use
> > > crontab, but do not know how to execute pg_dump as another user.
> >
> > Become user postgres before you run "crontab -e". On Debian you can
> > instead use /etc/crontab, which has an extra field to define the user
> > under whose uid the command will run.
> >
> > > 2. Is it possible to execute the backup script on working data base. I
> > > haved problems with data integrity on oracle in this case and needet to
> > > stop the oracle and then make backup.
> >
> > Yes it is possible. pg_dump will not see any transaction that has not
> > yet been committed at the time you start it, so its output will be
> > consistent. If you were using tar on the raw database files, you would
> > probably need to stop the postmaster first.
> >
> > --
> > Oliver Elphick Oliver.Elphick@lfix.co.uk
> > Isle of Wight, UK
> > http://www.lfix.co.uk/oliver
> > GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839 932A 614D 4C34 3E1D 0C1C
> > ========================================
> > "Behold, what manner of love the Father hath bestowed
> > upon us, that we should be called the sons of God..."
> > I John 3:1
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 6: Have you searched our list archives?
> >
> > http://archives.postgresql.org
> >
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
>
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
