[kwlug-disc] SSD Drives/desktop

Khalid Baheyeldin kb at 2bits.com
Fri Oct 22 14:37:05 EDT 2010


On Thu, Oct 21, 2010 at 7:16 PM, Insurance Squared Inc. <
gcooke at insurancesquared.com> wrote:

> My wife complains that when we run windows inside virtualbox that it's
> slow.  I upgraded her ram to not much effect.
>
> Does anyone have comments on upgrading to an SSD drive under linux?  Looks
> like 64gigs are now down around $150.  Lots of chatter about boot up times,
> but I don't care about that.  Do they make that much difference in speed for
> general work?
>
> I've also read something about 'trim' which apparently linux doesn't have -
> should one care?
>

Diagnosis before treatment. Otherwise interesting things happen.

While an SSD will speed up I/O for sure, make sure that your bottleneck
is indeed I/O before jumping to the conclusion that and SSD will help.

Do you see the disk light flicker when she feels the VM is slow? If so,
there
is a chance

You can use iotop to see which process is eating up I/O. If you don't have
that then vmstat will tell you that there is indeed heavy I/O and if it is
read
or write.
-- 
Khalid M. Baheyeldin
2bits.com, Inc.
http://2bits.com
Drupal optimization, development, customization and consulting.
Simplicity is prerequisite for reliability. --  Edsger W.Dijkstra
Simplicity is the ultimate sophistication. --   Leonardo da Vinci
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