| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | 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 15:52:32 |
| Message-ID: | 200808121552.m7CFqWW08267@momjian.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Simon Riggs wrote:
>
> On Sat, 2008-07-26 at 10:17 +0200, Markus Wanner wrote:
> > What I still don't understand is, why you are speaking about
> > "logical"
> > replication. It rather sounds like an ordinary log shipping approach,
> > where the complete WAL is sent over the wire. Nothing wrong with
> > that,
> > it certainly fits many needs and I welcome such a solution for
> > Postgres.
>
> Yes, first stage is log shipping. Second stage is either physical or
> logical apply.
What is the attraction of logical application of the WAL logs?
Transmitting to a server with different architecture?
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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