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Re: Parallel query execution

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: Stephen Frost <sfrost(at)snowman(dot)net>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Parallel query execution
Date: 2013-01-16 04:28:18
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Lists: pgsql-hackers
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? :/
Michael Paquier

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