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Re: Parallel query execution

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Stephen Frost <sfrost(at)snowman(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Parallel query execution
Date: 2013-01-16 04:22:42
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Lists: pgsql-hackers
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)

Josh Berkus
PostgreSQL Experts Inc.

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