Re: Exposing the Xact commit order to the user

Jan Wieck wrote:
> >> > I see no problem with integrating that into core, technically or
> >> > philosophically.
> >> >
> >>
> >> Which means that if I want to allow a consumer of that commit order data
> >> to go offline for three days or so to replicate the 5 requested, low
> >> volume tables, the origin needs to hang on to the entire WAL log from
> >> all 100 other high volume tables?
> >
> > I suggest writing an external tool that strips out what you need that
> > can be run at any time, rather than creating a new data format and
> > overhead for this usecase.
> >
>
> Stripping it out from what?

Stripping it from the WAL. Your system seems to require double-writes
on a commit, which is something we have avoided in the past.

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

+ None of us is going to be here forever. +