[ltp] Re: solid state drive?

Theodore Tso linux-thinkpad@linux-thinkpad.org
Wed, 18 Feb 2009 08:11:22 -0500


On Wed, Feb 18, 2009 at 09:50:57AM +0100, Laurent wrote:
>> What makes you say not to use ext3?
>> AFAICT, it should not make much difference: at most double the number of
>> writes, i.e. halve the expected life of your drive.
>
> The journal causes a lot of small writes. Small writes have a bigger write
> amplification, so it's a lot more data for the SSD. That makes it slow. I
> don't worry about the number of writes, but i do want a fast system.

Write amplification has been addressed by next generation SSD's (at
the moment the Intel SSD's are alone in the market, but I expect other
manufacturers will coming up with competing products soon.)

   http://www.tomshardware.com/reviews/Intel-x25-m-SSD,2012-4.html

							- Ted