Re: Intel 320 SSD info
От | David Boreham |
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Тема | Re: Intel 320 SSD info |
Дата | |
Msg-id | 4E5537F6.3070105@boreham.org обсуждение исходный текст |
Ответ на | Re: Intel 320 SSD info (Greg Smith <greg@2ndQuadrant.com>) |
Ответы |
Re: Intel 320 SSD info
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Список | pgsql-performance |
On 8/24/2011 11:41 AM, Greg Smith wrote: > > > I've measured the performance of this drive from a couple of > directions now, and it always comes out the same. For PostgreSQL, > reading or writing 8K blocks, I'm seeing completely random workloads > hit a worst-case of 20MB/s; that's just over 2500 IOPS. It's quite > possible that number can go lower under pressure of things like > internal drive garbage collection however, which I believe is going > into the 600 IOPS figure. I haven't tried to force that yet--drive is > too useful to me to try and burn it out doing tests like that at the > moment. I hope someone from Intel is reading -- it would be well worth their while to just send you a few drives, since you are set up to perform the right test, and can provide impartial results.
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