Re: Simple join doesn't use index

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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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