Re: Multi Master Replication - Mailing list pgsql-general

From John R Pierce
Subject Re: Multi Master Replication
Date
Msg-id 52B20288.6010406@hogranch.com
Whole thread Raw
In response to Multi Master Replication  (itishree sukla <itishree.sukla@gmail.com>)
Responses Re: Multi Master Replication  (Scott Marlowe <scott.marlowe@gmail.com>)
List pgsql-general
On 12/18/2013 1:31 AM, itishree sukla wrote:
> I need suggestion about setting up multi master replication between
> two postgresql server place two different geographical area. As i know
> using some third party tool like Bucardo,RubyRep it can be achievable,
> not sue which is the good one to use. If any one  can provide me some
> online documentation links, it will help me as well.

that sort of replication is very problematic.   its virtually impossible
to maintain ACID (Atomicity, Consistency, Isolation, Durability) and
maintain any semblance of performance.

question for you, what do you expect to happen if the communications
link between the servers is interrupted, and updates continue to be sent
to both servers?

--
john r pierce                                      37N 122W
somewhere on the middle of the left coast



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