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From: Joachim Worringen <joachim.worringen@iathh.de>
To: pgsql-performance@postgresql.org
Subject: Re: FUSION-IO io cards
Date: Fri, 29 Apr 2011 21:15:33 +0200
Message-ID: <4DBB0E55.6080703@iathh.de> (raw)
In-Reply-To: <201104291652.060069@ms14.lnh.mail.rcn.net>
References: <BANLkTikdOoUZyvcNEXk67563tf7c78ZGUQ@mail.gmail.com>
	<69D96B03-F991-4825-A8FF-0FEEDCC17461@silentmedia.com>
	<4DBAE181.2000204@iathh.de>
	<201104291652.060069@ms14.lnh.mail.rcn.net>

On 04/29/2011 06:52 PM, gnuoytr@rcn.com wrote:
> TMS RAMSAN is a DRAM device.  TMS built DRAM SSDs going back decades,
> but have recently gotten into flash SSDs as well.  The DRAM parts are
> in an order of magnitude more expensive than others' flash SSDs, gig
> by gig.  Also, about as fast as off cpu storage gets.

Their naming convention is a bit confusing, but in fact the RamSan boxes 
are available in flash and RAM-based variants:

"The RamSan-630 offers 10 TB SLC Flash storage, 1,000,000 IOPS (10 GB/s) 
random sustained throughput, and just 500 watts power consumption."

I was referring to those. Of course, they may be more expensive than 
FusionIO. You get what you pay for (in this case).

-- 
Joachim Worringen
Senior Performance Architect

International Algorithmic Trading GmbH




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