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From: "J. Bruce Fields" <bfields@fieldses.org>
To: Steven Whitehouse <swhiteho@redhat.com>
Cc: Taousif_Ansari@DELLTEAM.com, Shyam_Iyer@Dell.com,
	linux-nfs@vger.kernel.org, Ashokan_Vellimalai@Dell.com,
	cluster-devel@redhat.com
Subject: Re: Performance Issue with multiple dataserver
Date: Tue, 24 May 2011 09:17:37 -0400	[thread overview]
Message-ID: <20110524131737.GA1934@fieldses.org> (raw)
In-Reply-To: <1306237459.2896.5.camel@menhir>

On Tue, May 24, 2011 at 12:44:19PM +0100, Steven Whitehouse wrote:
> /Hi,
> 
> On Tue, 2011-05-24 at 17:09 +0530, Taousif_Ansari@DELLTEAM.com wrote:
> > Hi Bruce, Shyam
> > 
> >  As mentioned here http://wiki.linux-nfs.org/wiki/index.php/PNFS_server_projects gfs2 is also having issues(crashes, performance), so instead of going for gfs2 can we debug spNFS itself to get high performance?
> > 
> > 
> > -Taousif
> > 
> As far as I'm aware that is historical information. If there are still
> problems with GFS2, then please report them so we can work on them,

Well, they may be nfs problems rather than gfs2 problems.

In either case, neither pnfs/gfs2 nor spnfs is a particularly mature
project; you will find bugs and performance problems in both.

I think a cluster-filesystem-based approach probably has the better
chance of getting merged earlier, as it solves a number of thorny
problems (such as how to do IO through the MDS) for you.  But it all
depends on what your goals are.  Either will require significant
development work to get into acceptable shape.

--b.

WARNING: multiple messages have this Message-ID (diff)
From: J. Bruce Fields <bfields@fieldses.org>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] Performance Issue with multiple dataserver
Date: Tue, 24 May 2011 09:17:37 -0400	[thread overview]
Message-ID: <20110524131737.GA1934@fieldses.org> (raw)
In-Reply-To: <1306237459.2896.5.camel@menhir>

On Tue, May 24, 2011 at 12:44:19PM +0100, Steven Whitehouse wrote:
> /Hi,
> 
> On Tue, 2011-05-24 at 17:09 +0530, Taousif_Ansari at DELLTEAM.com wrote:
> > Hi Bruce, Shyam
> > 
> >  As mentioned here http://wiki.linux-nfs.org/wiki/index.php/PNFS_server_projects gfs2 is also having issues(crashes, performance), so instead of going for gfs2 can we debug spNFS itself to get high performance?
> > 
> > 
> > -Taousif
> > 
> As far as I'm aware that is historical information. If there are still
> problems with GFS2, then please report them so we can work on them,

Well, they may be nfs problems rather than gfs2 problems.

In either case, neither pnfs/gfs2 nor spnfs is a particularly mature
project; you will find bugs and performance problems in both.

I think a cluster-filesystem-based approach probably has the better
chance of getting merged earlier, as it solves a number of thorny
problems (such as how to do IO through the MDS) for you.  But it all
depends on what your goals are.  Either will require significant
development work to get into acceptable shape.

--b.



  reply	other threads:[~2011-05-24 13:17 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-17 16:21 How to control the order of different export options for different client formats? James Pearson
2011-05-17 22:01 ` NeilBrown
2011-05-18 10:19   ` James Pearson
2011-05-18 11:54     ` Performance Issue with multiple dataserver Taousif_Ansari
2011-05-18 16:12       ` J. Bruce Fields
2011-05-19  5:26         ` Taousif_Ansari
2011-05-19 11:50           ` J. Bruce Fields
2011-05-19 12:39             ` Taousif_Ansari
2011-05-19 13:12               ` J. Bruce Fields
2011-05-19 13:14                 ` Taousif_Ansari
2011-05-19 13:43                   ` J. Bruce Fields
2011-05-19 14:09                     ` Taousif_Ansari-G5Y5guI6XLZWk0Htik3J/w
2011-05-19 14:37                       ` Shyam_Iyer
2011-05-24 11:39                         ` Taousif_Ansari
2011-05-24 11:44                           ` Steven Whitehouse
2011-05-24 11:44                             ` [Cluster-devel] " Steven Whitehouse
2011-05-24 13:17                             ` J. Bruce Fields [this message]
2011-05-24 13:17                               ` J. Bruce Fields
2011-05-18 16:20     ` How to control the order of different export options for different client formats? J. Bruce Fields
2011-05-20 13:38       ` James Pearson
2011-05-20 16:41         ` J. Bruce Fields
2011-06-02 13:37           ` James Pearson
2011-06-04 18:20             ` J. Bruce Fields
2011-06-06 12:14               ` James Pearson
     [not found]             ` <4DE79236.1080808-5Ol4pYTxKWu0ML75eksnrtBPR1lH4CV8@public.gmane.org>
2011-06-07 20:33               ` Steve Dickson
2011-05-18  0:46 ` Max Matveev

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