FreeBSD and SSD drives
Chad Perrin
perrin at apotheon.com
Fri Feb 11 19:07:51 UTC 2011
On Fri, Feb 11, 2011 at 09:40:37AM +0000, Paul Macdonald wrote:
>
> I'd be interested to here peoples opinions on best uses for SSD, general
> purpose applications such as databases , webservers etc will benefit
> obviously,
>
> but i'm also curious as to disk intensive applications such as mailq's,
> spamassassin etc? (I presume here the lack of TRIM may degrade
> performance rapidly?)
Ignoring the TRIM issue for a moment . . .
You're probably best off saving SSD storage for cases where you have lots
of reads and little to no write activity, unless you enjoy buying new
SSDs a lot. Actually, let's not ignore TRIM; the work-around for lack of
TRIM support on some drives is a "garbage collection" routine that
exacerbates the problem of having to replace your SSDs more often if you
do a lot of writes.
I guess I would only use SSDs on servers in the same cases where I would
let myself be talked into using MySQL -- cases where you just treat it
pretty much like a read-only data store, and do not have to (safely) add
or change data stored there most of the time.
--
Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ]
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