From: Trond Myklebust <Trond.Myklebust@netapp.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Jeff Moyer <jmoyer@redhat.com>,
nfsv4@linux-nfs.org, linux-nfs@vger.kernel.org
Subject: Re: [PATCH 0/3] Fix the Linux rpc-over-tcp server performance
Date: Wed, 12 Aug 2009 18:40:01 -0400 [thread overview]
Message-ID: <1250116801.5973.49.camel@heimdal.trondhjem.org> (raw)
In-Reply-To: <20090812223258.GE17782@fieldses.org>
On Wed, 2009-08-12 at 18:32 -0400, J. Bruce Fields wrote:
> For each test, I'm booting both client and server to the given kernel,
> running
>
> mount server:/exports/ /mnt/
> iozone -s 2000000 -r 64 -f /mnt/testfile -w -i1
> umount /mnt/
>
> five times, then taking the average of the "read" columns. (I could
> stick to one client--not sure which you were using. Installing new
> kernels on both is just what my existing test scripts happened to do by
> default.)
>
> 2.6.30-rc1: 114113
> 2.6.30-rc1 + revert autotuning: 114159
> 2.6.30-rc1 + patch 1: 114168
> 2.6.30-rc1 + patch 1 & 2: 114136
> 2.6.30-rc1 + patch 1, 2, & 3: 114149
My tests were made using hammerfest as the server: it would see fairly
long stalls when it was running basic 2.6.30-rc1 w/ autotuning. Feel
free to co-opt it for your testing...
--
Trond Myklebust
Linux NFS client maintainer
NetApp
Trond.Myklebust@netapp.com
www.netapp.com
next prev parent reply other threads:[~2009-08-12 22:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-18 21:47 [PATCH 0/3] Fix the Linux rpc-over-tcp server performance Trond Myklebust
[not found] ` <20090518214756.786.28129.stgit-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-18 21:47 ` [PATCH 3/3] SUNRPC: Fix svc_tcp_recvfrom() Trond Myklebust
2010-03-18 21:21 ` J. Bruce Fields
2010-04-02 21:00 ` J. Bruce Fields
2009-05-18 21:47 ` [PATCH 1/3] SUNRPC: Fix the TCP server's send buffer accounting Trond Myklebust
[not found] ` <20090518214756.786.58191.stgit-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-06-19 3:06 ` J. Bruce Fields
2009-05-18 21:47 ` [PATCH 2/3] SUNRPC: Fix the TCP write space reservations for deferred requests Trond Myklebust
[not found] ` <20090518214756.786.33956.stgit-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-06-19 22:23 ` J. Bruce Fields
2009-06-20 21:44 ` Trond Myklebust
[not found] ` <1245534248.5182.45.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-08-24 21:32 ` J. Bruce Fields
2009-05-19 15:14 ` [PATCH 0/3] Fix the Linux rpc-over-tcp server performance Jeff Moyer
2009-08-12 2:43 ` J. Bruce Fields
2009-08-12 13:22 ` Jeff Moyer
2009-08-12 14:20 ` J. Bruce Fields
2009-08-12 17:02 ` Jeff Moyer
2009-08-12 22:32 ` J. Bruce Fields
2009-08-12 22:40 ` Trond Myklebust [this message]
2009-08-13 13:05 ` Jeff Moyer
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