Date: Mon, 17 Dec 2007 15:08:29 +0100 From: "Ivan Voras" <ivoras@freebsd.org> To: "Rainer Duffner" <rainer@ultra-secure.de> Cc: freebsd-current@freebsd.org Subject: Re: ZFS melting under postgres... Message-ID: <9bbcef730712170608k28d636a8y45de089bfa99fc2e@mail.gmail.com> In-Reply-To: <476675D6.7060905@ultra-secure.de> References: <47606C09.2070209@isc.org> <476343B4.8080208@FreeBSD.org> <fk09p8$b16$1@ger.gmane.org> <86tzmk54tt.fsf@ds4.des.no> <fk0ue7$bp$1@ger.gmane.org> <86r6hmsnew.fsf@ds4.des.no> <9bbcef730712160657r79507740m2b6d7d4b787c99a5@mail.gmail.com> <86zlwafvld.fsf@ds4.des.no> <fk3l7f$g1g$1@ger.gmane.org> <476675D6.7060905@ultra-secure.de>
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On 17/12/2007, Rainer Duffner <rainer@ultra-secure.de> wrote: > Ivan Voras wrote: > > I'm interested in how SSD could help me (if they actually can) with > > large-ish systems running web servers with associated software (e.g. > > database) and office-like servers. So far, I'm having trouble > > envisioning a seek-intensive storage application that's also temporary > > (to avoid keeping the "real" data on flash drives). Maybe a mail server > > queue, with mailboxes on standard drives? > > > > Yep. > Although, I don't know if the "cheap" SSDs mentioned can compete with > the SD-RAM backed "super SSDs". > Because, in the mail-server scenario (also: clamav-box, spamassassin > etc.), all you really want to have is I/O. > > I don't know if the flash-based "SSDs" can really compete in that area. They probably can't - their technology is much slower. This is why I was concentrating on fiding a seek-intensive load which doesn't depend much on raw bandwidth :)
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