Re: Transaction-controlled robustness for replication

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Markus Wanner <markus(at)bluegap(dot)ch>, Jens-Wolfhard Schicke <drahflow(at)gmx(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Transaction-controlled robustness for replication
Date: 2008-08-12 19:40:35
Message-ID: 23842.1218570035@sss.pgh.pa.us
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Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> On Tue, 2008-08-12 at 11:52 -0400, Bruce Momjian wrote:
>> What is the attraction of logical application of the WAL logs?
>> Transmitting to a server with different architecture?

> Yes,

> * different release
> * different encoding
> * different CPU architecture
> * (with the correct transform) a different DBMS

The notion that the WAL logs will ever be portable across such
differences is so ... so ... well, it's barely worth laughing at.

regards, tom lane

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