Re: Transaction-controlled robustness for replication

Simon Riggs 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
>
> So logical apply can provide a route for data transfer between
> applications, not just replication for DR or HA.
>
> Physical apply works and will be more performant, but it will always be
> more restrictive. So there are arguments for doing it both ways.
>
> I believe that we can and should offer both options to provide customer
> choice. Ideally, it would be nice to be able to switch between the two
> without significant reconfiguration, but that's definitely not for this
> release.

I assume you are focusing on physical first, becuase that is easiest.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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