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Re: Future In-Core Replication

From: Tatsuo Ishii <ishii(at)postgresql(dot)org>
To: simon(at)2ndQuadrant(dot)com
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Future In-Core Replication
Date: 2012-05-01 00:10:46
Message-ID: 20120501.091046.1288893385622619550.t-ishii@sraoss.co.jp (view raw or flat)
Thread:
Lists: pgsql-hackers
> Those are the basic requirements that I am trying to address. There
> are a great many important details, but the core of this is probably
> what I would call "logical replication", that is shipping changes to
> other nodes in a way that does not tie us to the same physical
> representation that recovery/streaming replication does now. Of
> course, non-physical replication can take many forms.

Guessing from "shipping changes to other nodes", you seem to
implicitly aim at asynchronous replication? If so, I am afraid it will
force users to pay some cost to migrate from existig applications.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

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