[Gluster-users] Re. Slow read performance

Dan Bretherton d.a.bretherton at reading.ac.uk
Wed Mar 13 14:39:48 UTC 2013


> *Jon Tegner* tegner at renget.se 
> <mailto:gluster-users%40gluster.org?Subject=Re:%20Re%3A%20%5BGluster-users%5D%20Slow%20read%20performance&In-Reply-To=%3C20130308090735.10946E5F58B17%40bmail03.one.com%3E>
> /Fri Mar 8 09:07:33 UTC 2013/
>
>   * Previous message: [Gluster-users] Slow read performance
>     <http://www.gluster.org/pipermail/gluster-users/2013-March/035686.html>
>   * Next message: [Gluster-users] Slow read performance
>     <http://www.gluster.org/pipermail/gluster-users/2013-March/035696.html>
>   * *Messages sorted by:* [ date ]
>     <http://www.gluster.org/pipermail/gluster-users/2013-March/date.html#35687>
>     [ thread ]
>     <http://www.gluster.org/pipermail/gluster-users/2013-March/thread.html#35687>
>     [ subject ]
>     <http://www.gluster.org/pipermail/gluster-users/2013-March/subject.html#35687>
>     [ author ]
>     <http://www.gluster.org/pipermail/gluster-users/2013-March/author.html#35687>
>
>
> ------------------------------------------------------------------------
> We had issues with ext4 about a bit less than a year ago, at that time I
> upgraded the servers to CentOS-6.2. But that gave us large problems
> (more than slow reads). Since I didn't want to reformat the disks at
> that time (and switch to XFS) I went back to CentOS-5.5 (which we had
> used before). On some link (think it was
> https://bugzilla.redhat.com/show_bug.cgi?id=713546  but can't seem to
> reach that now) it was stated that the ext4-issue was present even on
> later versions of CentOS-5 (I _think_ 5.8 was affected).
>
>
> Are there hope that the "ext4-issue" will be solved in later
> kernels/versions of gluster? If not, it seems one is eventually forced
> to switch to XFS.
>
>
>
> Regards,
>
>
>
> /jon
Dear All-
Could someone please confirm whether or not the ext4-issue affects any 
Centos-5 kernels?  All the information and correspondence I have seen so 
far has mentioned CentOS 6.3.

-Dan

--
Dan Bretherton
ESSC Computer System Manager
Department of Meteorology
Harry Pitt Building, 3 Earley Gate
University of Reading
Reading, RG6 7BE (or RG6 6AL for postal service deliveries)
UK
Tel. +44 118 378 5205, Fax: +44 118 378 6413
-- 
## Please sponsor me to run in VSO's 30km Race to the Eye ##
##        http://www.justgiving.com/DanBretherton         ##

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20130313/98831a7d/attachment.html>


More information about the Gluster-users mailing list