Re: Simple join doesn't use index

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От
Ben Chobot
Тема
Re: Simple join doesn't use index
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Msg-id
16C72D59-A649-40B1-B5BA-E4875D8DAF7B@silentmedia.com
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Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Jeremy Harris <jgh@wizmail.org>
Re: Simple join doesn't use index Stefan Andreatta <s.andreatta@synedra.com>
Partition table in 9.0.x? AJ Weber <aweber@comcast.net>
Re: Partition table in 9.0.x? Jeff Janes <jeff.janes@gmail.com>
Re: Partition table in 9.0.x? AJ Weber <aweber@comcast.net>
Re: Partition table in 9.0.x? Jeff Janes <jeff.janes@gmail.com>
Re: Partition table in 9.0.x? AJ Weber <aweber@comcast.net>
Re: Partition table in 9.0.x? Jeff Janes <jeff.janes@gmail.com>
Re: Partition table in 9.0.x? Tom Lane <tgl@sss.pgh.pa.us>
Re: Partition table in 9.0.x? AJ Weber <aweber@comcast.net>
Re: Partition table in 9.0.x? Jeff Janes <jeff.janes@gmail.com>
Re: Simple join doesn't use index Merlin Moncure <mmoncure@gmail.com>
Re: Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Merlin Moncure <mmoncure@gmail.com>
Re: Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Merlin Moncure <mmoncure@gmail.com>
Re: Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Merlin Moncure <mmoncure@gmail.com>
Re: Simple join doesn't use index Jeff Janes <jeff.janes@gmail.com>
Re: Simple join doesn't use index Jeff Janes <jeff.janes@gmail.com>
Re: Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Filip Rembiałkowski <plk.zuber@gmail.com>
Re: Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Ben Chobot <bench@silentmedia.com>
Re: Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Merlin Moncure <mmoncure@gmail.com>
Re: Simple join doesn't use index Alex Vinnik <alvinnik.g@gmail.com>
Re: Simple join doesn't use index Filip Rembiałkowski <plk.zuber@gmail.com>
Re: Simple join doesn't use index Dan Fairs <dan.fairs@gmail.com>
Re: Simple join doesn't use index Jeff Janes <jeff.janes@gmail.com>
Re: Simple join doesn't use index Jeff Janes <jeff.janes@gmail.com>
On Jan 29, 2013, at 6:24 AM, Alex Vinnik wrote:

random_page_cost=1 might be not what you really want. 
it would mean that random reads are as fast as as sequential reads, which probably is true only for SSD
What randon_page_cost would be more appropriate for EC2 EBS Provisioned volume that can handle 2,000 IOPS? 

For EC2 Provisioned IOPS volumes - not standard EBS - random_page_cost=1 is exactly what you want.

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