>> but there will be
>> quite a few cases where it's much, much better.
> 
> Just cached segments.

Actually, thanks to much faster storage (think SSD, SAN), it's easily
possible for PostgreSQL to become CPU-limited on a seq scan query, even
when reading from disk.

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

In response to

• Re: Parallel query execution at 2013-01-16 03:16:56 from Claudio Freire

Responses

• Re: Parallel query execution at 2013-01-16 03:59:35 from Stephen Frost

pgsql-hackers by date

Next:	From: Stephen Frost	Date: 2013-01-16 03:59:35
	Subject: Re: Parallel query execution
Previous:	From: Stephen Frost	Date: 2013-01-16 03:55:13
	Subject: Re: Parallel query execution