Re: Constant WAL replay

Alvaro Herrera wrote:
> 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.

Very close. We don't use the WAL (yet, slated for probably 8.1) but we
do use a transaction log shipping method. So the implementation is 
almost the same.

Sincerely,

Joshua D. Drake
Command Prompt, Inc.