On 2014-11-12 10:13:18 -0500, Robert Haas wrote:
> On Tue, Nov 11, 2014 at 4:27 AM, Andres Freund <andres@2ndquadrant.com> wrote:
> > The more important thing here is that I see little chance of this
> > getting in before Heikki's larger rework of the wal format gets
> > in. Since that'll change everything around anyay I'm unsure how much
> > point there is to iterate till that's done. I know that sucks, but I
> > don't see much of an alternative.
>
> Why not do this first? Heikki's patch seems quite far from being
> ready to commit at this point - it significantly increases WAL volume
> and reduces performance. Heikki may well be able to fix that, but I
> don't know that it's a good idea to make everyone else wait while he
> does.
Because it imo builds the infrastructure to do the compression more
sanely. I.e. provide proper space to store information about the
compressedness of the blocks and such.
Greetings,
Andres Freund
-- Andres Freund http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
Services
