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Using an SSD as swap?

Subject: Using an SSD as swap?
From: blu-Z8efaSeK1ezqlBn2x/YWAg at public.gmane.org (Edward Ned Harvey)
Date: Thu, 2 Dec 2010 22:27:42 -0500
In-reply-to: <Pine.GSO.4.64.1012020957370.1109-plvhv/imUMdM656bX5wj8A@public.gmane.org>
References: <201012010314.oB13E633031704@dsl092-065-009.bos1.dsl.speakeasy.net> <AANLkTik8ovqnjuzMkKdusGazhUov63DaP=369u9YwDOd@mail.gmail.com> <201012021258.oB2Cw3EF018754@dsl092-065-009.bos1.dsl.speakeasy.net> <AANLkTi=zHgLtWwAVLKF9gEU0dv5s7Xmt6jG_d=hSXHyY@mail.gmail.com> <AANLkTiktaKKxrq7wm7K5dOYOJFqUw=pKYgouzG8UkMij@mail.gmail.com> <AANLkTinZXQfzmBTbUXY_qDmC3UdXgkcNzoi=AiOeHFkf@mail.gmail.com> <Pine.GSO.4.64.1012020957370.1109@nber6.nber.org>

> From: discuss-bounces-mNDKBlG2WHs at public.gmane.org [mailto:discuss-bounces-mNDKBlG2WHs at public.gmane.org] On Behalf
> Of Daniel Feenberg
>
> How about battery backed Ram?
> 
>    http://www.anandtech.com/show/1742
>    http://techreport.com/articles.x/16255

Those two products don't look awesome, because they're still bottlenecked
through the system SATA bus.  (Although they should beat the SSD).

This is better:
http://ddrdrive.com
Because they implement their sas/sata controller on-chip, and interface the
PCIe bus.  The PCIe bus is the bottleneck, which is much faster than
SAS/SATA 6Gbit.

References:
- Using an SSD as swap?
  - From: omegahalo-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org (Chris O'Connell)
- Using an SSD as swap?
  - From: jack-rp9/bkPP+cDYtjvyW6yDsg at public.gmane.org (Jack Coats)
- Using an SSD as swap?
  - From: feenberg-fCu/yNAGv6M at public.gmane.org (Daniel Feenberg)

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