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Re: Parallel query execution

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>,pgsql-hackers(at)postgresql(dot)org
Subject: Re: Parallel query execution
Date: 2013-01-16 04:32:54
Message-ID: 20130116043254.GB369@momjian.us (view raw or flat)
Thread:
Lists: pgsql-hackers
On Wed, Jan 16, 2013 at 01:28:18PM +0900, Michael Paquier wrote:
> 
> 
> On Wed, Jan 16, 2013 at 1:22 PM, Josh Berkus <josh(at)agliodbs(dot)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?

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

  + It's impossible for everything to be true. +


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