Re: Hardware recommendations
От | mark |
---|---|
Тема | Re: Hardware recommendations |
Дата | |
Msg-id | 026901cb9760$5b367020$11a35060$@com обсуждение исходный текст |
Ответ на | Re: Hardware recommendations (Andy <angelflow@yahoo.com>) |
Список | pgsql-performance |
-----Original Message----- From: pgsql-performance-owner@postgresql.org [mailto:pgsql-performance-owner@postgresql.org] On Behalf Of Andy Sent: Wednesday, December 08, 2010 5:24 PM To: Marti Raudsepp Cc: pgsql-performance@postgresql.org; Benjamin Krajmalnik Subject: Re: [PERFORM] Hardware recommendations >> > If you are IO-bound, you might want to consider using >> SSD. >> > >> > A single SSD could easily give you more IOPS than 16 >> 15k SAS in RAID 10. >> >> Are there any that don't risk your data on power loss, AND >> are cheaper >> than SAS RAID 10? >> >Vertex 2 Pro has a built-in supercapacitor to save data on power loss. It's spec'd at 50K IOPS and a 200GB one costs around $1,000. Viking offers 6Gbps SAS physical connector SSD drives as well - with a super capacitor. I have not seen any official pricing yet, but I would suspect it would be in the same ballpark. I am currently begging to get some for eval. I will let everyone know if I swing that and can post numbers. -mark
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