Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
От | Justin |
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Тема | Re: Benchmark: Dell/Perc 6, 8 disk RAID 10 |
Дата | |
Msg-id | 47DEC8AB.8060608@emproshunts.com обсуждение исходный текст |
Ответ на | Re: Benchmark: Dell/Perc 6, 8 disk RAID 10 (Craig James <craig_james@emolecules.com>) |
Ответы |
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10 |
Список | pgsql-performance |
Craig James wrote: > Justin wrote: >>> 2000 tps ??? do you have fsync turned off ? >>> >>> Dave >>> >> >> No its turned on. > > Unless I'm seriously confused, something is wrong with these numbers. > That's the sort of performance you expect from a good-sized RAID 10 > six-disk array. With a single 7200 rpm SATA disk and XFS, I get 640 > tps. There's no way you could 2000 tps from a single disk. > > Craig > it is a RAID 10 controller with 6 SAS 10K 73 gig drives. The server is 3 weeks old now. it has 16 gigs of RAM 2 quad core Xenon 1.88 Ghz processors 2 gig Ethernet cards. RAID controller perc 6/i with battery backup 512meg cache, setup not lie about fsync WAL is on a RAID 0 drive along with the OS
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