Re: Need help with 8.4 Performance Testing

On Sat, 13 Dec 2008, Robert Haas wrote:

> On Tue, Dec 9, 2008 at 1:11 PM, Joshua D. Drake <jd@commandprompt.com> wrote:
>>> Those intel SSDs sound compelling.  I've been waiting for SSDs to get
>>> competitive price and performance wise for a while, and when the
>>> intels came out and I read the first benchmarks I immediately began
>>> scheming.  Sadly, that was right after we're ordered our new 16 drive
>>> servers, and I didn't have time to try something new and hope it would
>>> work.  Now that the servers are up and running, we'll probably look at
>>> adding the SSDs next summer before our high load period begins.
>>
>> The idea of SSDs is interesting. However I think I will wait for all the
>> other early adopters to figure out the problems before I start
>> suggesting them to clients.
>>
>> Hard drives work, their cheap and fast. I can get 25 spindles, 15k in a
>> 3U with controller and battery backed cache for <$10k.
>
> This may be a little off-topic, but I'd be interested in hearing more
> details about how you (or others) would do this...  manufacturer,
> model, configuration?  How many hard drives do you need to get 25
> spindles?  And where can you get that many 15K hard drives for under
> $10K?  My lack of experience in this area is showing here, but,
> seriously, any suggestions appreciated.

1 spindle == 1 hard drive

David Lang