Re: local-storage versus SAN sequential read performance comparison - Mailing list pgsql-performance

From Shaun Thomas
Subject Re: local-storage versus SAN sequential read performance comparison
Date
Msg-id 4FBA642C.6040501@optionshouse.com
Whole thread Raw
In response to Re: local-storage versus SAN sequential read performance comparison  (Scott Marlowe <scott.marlowe@gmail.com>)
List pgsql-performance
On 05/21/2012 10:41 AM, Scott Marlowe wrote:

> How fast is the link to your SAN?  If it's Gigabit, then 80MB/s would
> be pretty reasonable.

Wow, I didn't even think of that. I was looking up specs on the SAN. :)

Those stats are pretty horrible for sequential reads. The SAN should
improve random reads, not mercilessly ruin sequential.

That does sound like the problem, though.

--
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-444-8534
sthomas@optionshouse.com

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