From: nalini <nalini@nic.in>
To: Scott Marlowe <scott.marlowe@gmail.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Postgres replication
Date: Fri, 11 Jan 2008 16:39:49 +0500
Message-ID: <57ba119935d4d190.47879bd5@nic.in> (raw)
In-Reply-To: <dcc563d10801100719q67aa0432l652d74661bbae5e8@mail.gmail.com>
References: <46b8ed581b47692a.478611ce@nic.in>
<dcc563d10801100719q67aa0432l652d74661bbae5e8@mail.gmail.com>
Thanks for the suggestion. I would still like to know whether we have any tools available in open source domain for the same. Handling views may become difficult due to size and complexity of the database
----- Original Message -----
From: Scott Marlowe <scott.marlowe@gmail.com>
Date: Thursday, January 10, 2008 8:48 pm
Subject: Re: [ADMIN] Postgres replication
To: nalini <nalini@nic.in>
Cc: pgsql-admin@postgresql.org
> On Jan 10, 2008 1:38 AM, nalini <nalini@nic.in> wrote:
> > Dear All
> >
> > I have a application running at various locations with backend
> as postgres
> > Slony is configured at all locations for replication at local
> site anda
> > central server where each site has its own database instance.
> >
> > Now we wish to merge data collected from all the sites into
> one database
> > instance to provide consolidated view
> >
> > database schema is same at all the places
> > However as the application is still under development the
> schema maychange.
> > however the change will happen at all the locations.
>
> I would replicate each one to a different schema on the same server
> and then use views to consolidate the data into what appears to
> be one
> set. To make everything unique, you could prepend a unique
> id to each
> identifier based on the schema it came from.
>
> ---------------------------(end of broadcast)--------------------
> -------
> TIP 6: explain analyze is your friend
Nalini S. Nautiyal
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-admin@postgresql.org
Cc: nalini@nic.in, scott.marlowe@gmail.com
Subject: Re: Postgres replication
In-Reply-To: <57ba119935d4d190.47879bd5@nic.in>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox