Date: Wed, 12 Jun 2013 09:52:43 -0500 From: Adam Vande More <amvandemore@gmail.com> To: Jeremy Chadwick <jdc@koitsu.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: An order of magnitude higher IOPS needed with ZFS than UFS Message-ID: <CA%2BtpaK1kWeh8rWhtsYXJ0buRE0jbJYJ3QwBNRdWa2pTdVY%2BSKA@mail.gmail.com> In-Reply-To: <20130612114937.GA13688@icarus.home.lan> References: <51B79023.5020109@fsn.hu> <op.wykdduw834t2sn@markf.office.supranet.net> <20130612114937.GA13688@icarus.home.lan>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Jun 12, 2013 at 6:49 AM, Jeremy Chadwick <jdc@koitsu.org> wrote: > Mark, do you have any references for this? I'd love to learn/read more > about this engineering/design aspect (I won't say flaw, I'll just say > aspect) to ZFS, as it's the first I've heard of it. Recently, I dd'ed out the free space on a ZFS volume. The last few MB's took like an hour and io seemed to drop exponentially once past 80% or so. Nothing to do with SSD's -- Adam Vande More
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CA%2BtpaK1kWeh8rWhtsYXJ0buRE0jbJYJ3QwBNRdWa2pTdVY%2BSKA>