From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Steve Atkins <steve(at)blighty(dot)com> |
Cc: | PostgreSQL General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: real multi-master replication? |
Date: | 2007-03-05 04:20:23 |
Message-ID: | 2489.1173068423@sss.pgh.pa.us |
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Lists: | pgsql-general |
Steve Atkins <steve(at)blighty(dot)com> writes:
> On Mar 4, 2007, at 11:18 AM, hubert depesz lubaczewski wrote:
>> i read about some replication system for postgresql, but - as far as i
>> know there is none real multi-master replication system for
>> postgresql.
> I don't believe there is, or can be, any asynchronous multi-master
> replication system for any database that will work with all possible
> general purpose constructs.
Even more to the point: there is no universally applicable replication
solution. If something such as the OP asks for existed, its overhead
would be so extreme that hardly anyone would use it for real-world
cases. So compromise is always the order of the day.
> Given that, you might need to be more specific about your
> needs (and rethink your application architecture based on the
> reality of the issue),
Exactly.
regards, tom lane
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