LARGE single-system Cyrus installs?
gerard.cluster at gmail.com
Fri Oct 5 13:07:50 EDT 2007
We have also come across the situation where we needed to make a move from
file systems. We ended up going with Veritas file system which we saw the
greatest increase in performance from simply changing the main file system.
It was a big win when we realized the file system actually didn't cost
On 10/5/07, Robert Banz <banz at umbc.edu> wrote:
> On Oct 5, 2007, at 10:01, John Madden wrote:
> >> I think that this is partly because ext3 does more aggressive read
> >> ahead
> >> (which would be a mixed blessing under heavy load), partly because
> >> reiserfs suffers from fragmentation. I imagine that there is
> >> probably a
> >> tipping point under the sort of very heavy load that Fastmail see.
> > I second that - reiserfs seems to be truly horrible in write-heavy
> > situations. Worse, a backup of our remaining reiserfs partition takes
> > *days* to complete -- 165GB at ~500k/s. And this is a 32-disk
> > stripe of
> > fibre channel.
> I think what truly scares me about reiser is those rather regular
> posts to various mailing lists I'm on saying "my reiser fs went poof
> and lost all my data, what should I do?"
> Cyrus Home Page: http://cyrusimap.web.cmu.edu/
> Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
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