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Re: Constant WAL replay


  • From: Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>
  • To: Hans-Jürgen Schönig <postgres(at)cybertec(dot)at>
  • Cc: pgsql-hackers(at)postgresql(dot)org, eg(at)cybertec(dot)at
  • Subject: Re: Constant WAL replay
  • Date: Sun, 24 Apr 2005 13:20:39 -0400
  • Message-id: <20050424172039(dot)GD24170(at)dcc(dot)uchile(dot)cl>

On Sun, Apr 24, 2005 at 08:10:34AM +0200, Hans-Jürgen Schönig wrote:

> The idea: We are looking for a way to implement a synchronous 
> single-master / multiple slaves systems.
> Meanwhile we are able to serialize / deserialize WAL records and send 
> them to a group communication system which transports those records to 
> the slave database.
> This is not hard to do.

In fact, I believe Command Prompt's Mammoth Replicator does exactly
this.

-- 
Alvaro Herrera (<alvherre[(at)]dcc(dot)uchile(dot)cl>)
"La victoria es para quien se atreve a estar solo"



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