[Gluster-users] ZFS + Linux + Glusterfs for a production ready 100+ TB NAS on cloud

Tristan Ball tristanb at pronto.com.au
Mon Oct 3 01:48:47 UTC 2011

I'm curious as to what ZFS options you're finding necessary to tune for what kind of applications? Are you willing to share? :-)


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-----Original Message-----
From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of Liam Slusser
Sent: Saturday, 1 October 2011 6:38 AM
To: landman at scalableinformatics.com
Cc: gluster-users at gluster.org; rdp.com at gmail.com
Subject: Re: [Gluster-users] ZFS + Linux + Glusterfs for a production ready 100+ TB NAS on cloud

I've used ZFS in lots of different roles and I've found that out of the box ZFS performs decent but to get really great performance out of the (zfs) filesystem you really need to tune it for the application.
ZFS has tons and tons of somewhat hidden features (edit /etc/system and reboot type stuff) and if set correctly has outstanding performance.


On Thu, Sep 29, 2011 at 10:58 AM, Joe Landman <landman at scalableinformatics.com> wrote:
> This said, please understand that there is a (significant) performance
> cost to all those nice features in ZFS.  And there is a reason why its
> not generally considered a high performance file system.  So if you
> start building with it, you shouldn't necessarily think that the whole
> is going to be faster than the sum of the parts.  Might be worse.
> This is a caution from someone who has tested/shipped many different
> file systems in the past.  ZFS included, on Solaris and other
> machines.  There is a very significant performance penalty one pays
> for using some of these features.  You have to decide if this penalty is worth it.
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