From: <Taousif_Ansari@DELLTEAM.com>
To: <bfields@fieldses.org>
Cc: <linux-nfs@vger.kernel.org>
Subject: RE: Performance Issue with multiple dataserver
Date: Thu, 19 May 2011 10:56:44 +0530 [thread overview]
Message-ID: <A1A98FD909DC5248811A65C5D18E9C761DF69B2188@BLRX7MCDC202.AMER.DELL.COM> (raw)
In-Reply-To: <20110518161239.GA16835@fieldses.org>
Hi,
I am using on Server linux-pnfs-2.6.38(linux-pnfs-ae7441f.tar) and on client also linux-pnfs-2.6.38(linux-pnfs-ae7441f.tar) downloaded from http://git.linux-nfs.org/?p=bhalevy/linux-pnfs.git;a=summary on Fedora 14.
Extremely sorry for causing confusing .
-----Original Message-----
From: J. Bruce Fields [mailto:bfields@fieldses.org]
Sent: Wednesday, May 18, 2011 9:43 PM
To: Ansari, Taousif - Dell Team
Cc: linux-nfs@vger.kernel.org
Subject: Re: Performance Issue with multiple dataserver
You sent this message as a reply to an unrelated message, which is
confusing to those of us with threaded mail readers.
On Wed, May 18, 2011 at 05:24:45PM +0530, Taousif_Ansari@DELLTEAM.com wrote:
> I have done pNFS setup with single Dataserver and Two Dataserver and ran the IOzone tool on both, I found that the performance with multiple dataservers is less than the performance with single dataservers.
What are you using as the server, and what as the client?
--b.
>
> Here are some numbers, which were captured by the IOzone tool.
>
>
> 4 8 16 32 64 128 256 512 1024 <== Record Length in KB
> With Single Dataserver:
> Read operation for file size 1 MB- 66415 66359 63630 70358 86223 70256 66047 66068 68489 <== IO kB/sec
> Write operation for file size 1 MB- 18827 16920 18846 17039 18896 17009 17173 19206 17947 <== IO kB/sec
>
> With Two Dataservers :
> Read operation for file size 1 MB- 36882 381198 38150 38084 38749 33663 34398 37313 37847 <== IO kB/sec
> Write operation for file size 1 MB- 5461 4661 5586 4870 5227 4922 4214 5572 4658 <== IO kB/sec
>
>
> Can somebody tell me What could be the issue....
> --
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next prev parent reply other threads:[~2011-05-19 5:26 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 [this message]
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
2011-05-24 13:17 ` [Cluster-devel] " 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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