On Wed, Jan 16, 2013 at 1:32 PM, Bruce Momjian <br...@momjian.us> wrote:
> On Wed, Jan 16, 2013 at 01:28:18PM +0900, Michael Paquier wrote: > > > > > > On Wed, Jan 16, 2013 at 1:22 PM, Josh Berkus <j...@agliodbs.com> wrote: > > > > Claudio, Stephen, > > > > It really seems like the areas where we could get the most "bang for > the > > buck" in parallelism would be: > > > > 1. Parallel sort > > 2. Parallel aggregation (for commutative aggregates) > > 3. Parallel nested loop join (especially for expression joins, like > GIS) > > > > parallel data load? :/ > > We have that in pg_restore, and I thinnk we are getting parallel dump in > 9.3, right? Unfortunately, I don't see it in the last 9.3 commit-fest. > Is it still being worked on? > Not exactly, I meant something like being able to use parallel processing when doing INSERT or COPY directly in core. If there is a parallel processing infrastructure, it could also be used for such write operations. I agree that the cases mentioned by Josh are far more appealing though... -- Michael Paquier http://michael.otacoo.com
