Re: Best OS & Configuration for Dual Xeon w/4GB & Adaptec
От | Miguel |
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Тема | Re: Best OS & Configuration for Dual Xeon w/4GB & Adaptec |
Дата | |
Msg-id | 441F1AC5.9050700@123.com.sv обсуждение исходный текст |
Ответ на | Re: Best OS & Configuration for Dual Xeon w/4GB & ("Luke Lonergan" <llonergan@greenplum.com>) |
Ответы |
Re: Best OS & Configuration for Dual Xeon w/4GB &
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Список | pgsql-performance |
Luke Lonergan wrote: >Miguel, > >On 3/20/06 12:52 PM, "Miguel" <mmiranda@123.com.sv> wrote: > > > >>i have a HP dl380 g3 with array 5i controlled (1+0), these are my results >> >> > >Another "known bad" RAID controller. The Smartarray 5i is horrible on Linux >- this is the first BSD result I've seen. > > > >>Seek times: >> Full stroke: 250 iter in 1.138232 sec = 4.553 msec >> Half stroke: 250 iter in 1.084474 sec = 4.338 msec >> >> > >These seem OK - are they "access times" or are they actually "seek times"? > > i dont know, how can i check? >Transfer rates: > outside: 102400 kbytes in 2.075984 sec = 49326 kbytes/sec > middle: 102400 kbytes in 2.100510 sec = 48750 kbytes/sec > inside: 102400 kbytes in 2.042313 sec = 50139 kbytes/sec > > >is this good enough? >It's pretty slow. How many disk drives do you have? > > > > I have 6 ultra a320 72G 10k discs --- Miguel
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