Date: Fri, 11 Feb 2011 11:57:38 -0700 From: Chad Perrin <perrin@apotheon.com> To: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: FreeBSD and SSD drives Message-ID: <20110211185738.GB45708@guilt.hydra> In-Reply-To: <4D550415.8060105@ifdnrg.com> References: <4D550415.8060105@ifdnrg.com>
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--UHN/qo2QbUvPLonB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 11, 2011 at 09:40:37AM +0000, Paul Macdonald wrote: >=20 > I'd be interested to here peoples opinions on best uses for SSD, general= =20 > purpose applications such as databases , webservers etc will benefit=20 > obviously, >=20 > but i'm also curious as to disk intensive applications such as mailq's,= =20 > spamassassin etc? (I presume here the lack of TRIM may degrade=20 > 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. --=20 Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ] --UHN/qo2QbUvPLonB Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAk1VhqIACgkQ9mn/Pj01uKXr9QCZAel1cliUkAHpuBOvHp0TmVv5 2pYAnRDsjgccKU0n22fvV49XJxnw7cvT =7mOg -----END PGP SIGNATURE----- --UHN/qo2QbUvPLonB--
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