Re: Incremental Backup of a particular database

From: "Shoaib Mir" <shoaibmir(at)gmail(dot)com>
To: "Yogvinder Singh" <yogvinder(at)newgen(dot)co(dot)in>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Incremental Backup of a particular database
Date: 2007-01-18 10:37:56
Message-ID: bf54be870701180237y668a7e56x954f5f1916e48ea2@mail.gmail.com
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When the pg_dump process starts it takes one point and then makes a backup
for that specific time even if more updates on the database are happening
during the pg_dump process. So when you restore on the other machine it will
restore to that specific time when the pg_dump process started.

----------------
Shoaib Mir
EnterpriseDB (www.enterprisedb.com)

On 1/18/07, Yogvinder Singh <yogvinder(at)newgen(dot)co(dot)in> wrote:
>
> pg_dump is a utility for saving a PostgreSQL database into a script or an
> archive file. The script files are in plain-text format and contain the
> SQL
> commands required to reconstruct the database to the state it
> was in
> at the time it was saved.
>
> "At the time it was saved" What is the meaning of this statement?
>
>
> Regards,
> Yogvinder Singh,
> Software Engineer, E-WorkStyle Group,
> Newgen Software Technologies Ltd.
> D-152, Okhla Phase - 1
> New Delhi
> Tel no 26815467 Ext 143
>
>
> ----- Original Message -----
> From: "Yogvinder Singh" <yogvinder(at)newgen(dot)co(dot)in>
> To: "Andy Shellam (Mailing Lists)" <andy(dot)shellam-lists(at)mailnetwork(dot)co(dot)uk>
> Cc: <pgsql-admin(at)postgresql(dot)org>
> Sent: Thursday, January 18, 2007 10:44 AM
> Subject: Re: [ADMIN] Incremental Backup of a particular database
>
>
> > I only want one of many databases to be restored to the other server
> > incrementally.
> > Is this possible?
> > If yes, Wht are the steps??
> >
> > Regards,
> > Yogvinder Singh,
> > Software Engineer, E-WorkStyle Group,
> > Newgen Software Technologies Ltd.
> > D-152, Okhla Phase - 1
> > Tel no 26815467 Ext 143
> >
> >
> > ----- Original Message -----
> > From: "Andy Shellam (Mailing Lists)"
> <andy(dot)shellam-lists(at)mailnetwork(dot)co(dot)uk>
> > To: "Yogvinder Singh" <yogvinder(at)newgen(dot)co(dot)in>
> > Cc: <pgsql-admin(at)postgresql(dot)org>
> > Sent: Wednesday, January 17, 2007 8:17 PM
> > Subject: Re: [ADMIN] Incremental Backup of a particular database
> >
> >
> > > I believe the option for a "warm standby" (which sounds like it is
> what
> > > you need) was made available in 8.2.0.
> > > You'd have to look at the manual though, I haven't had time to
> > > investigate, and I'm not sure whether it's cluster-wide, or
> > > database-specific.
> > >
> > >
> > > Yogvinder Singh wrote:
> > > > Hi Ppl,
> > > >
> > > > I have Two PostgreSQL Database Servers. The situation is like this:-
> > > > 1) On first database server ball the operations (i.e live server)
> will
> > > > be done. This server may contain n number of databases.
> > > >
> > > > 2) On the second database server, i want to keep one particular
> > > > database (from the first database server ) and keep it updated to
> the
> > > > latest from the First Database Server. I just want to be able to
> take
> > > > some sort of incremental backup from the first server and restore it
> > > > to the second server.
> > > >
> > > > Is this situation feasible. How can i take an incremental backup of
> a
> > > > particular database out of many databases? On which version this is
> > > > supported? IF not supported, is there any alternative way to handle
> > > > this situatio.
> > > >
> > > > Regards,
> > > > Yogvinder Singh,
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