From: Christoph Hellwig <hch@infradead.org>
To: Brian R Cowan <brcowan@us.ibm.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: Read/Write NFS I/O performance degraded by FLUSH_STABLE page flushing
Date: Thu, 30 Apr 2009 16:25:58 -0400 [thread overview]
Message-ID: <20090430202558.GA22295@infradead.org> (raw)
In-Reply-To: <OF3EBF546E.60A83A8F-ON852575A8.006EBB38-852575A8.006EFDE6@us.ibm.com>
On Thu, Apr 30, 2009 at 04:12:19PM -0400, Brian R Cowan wrote:
> Hello all,
>
> This is my first post, so please be gentle.... I have been working with a
> customer who is attempting to build their product in ClearCase dynamic
> views on Linux.
> I know that this is a 3+ year old update, but RHEL 4 is based on a 2.4
> kernel, and SLES 9 is based on something in the same ballpark. And our
> customers see problems when they go to SLES 10/RHEL 5 from the prior major
> distro version.
You should probably complain to the distro vendors if you use distro
kernels. And even when the change might not be diretly related please
reproduce anything posted to upstream projects without binary only
module junk like clearcase.
next prev parent reply other threads:[~2009-04-30 20:25 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-30 20:12 Read/Write NFS I/O performance degraded by FLUSH_STABLE page flushing Brian R Cowan
2009-04-30 20:25 ` Christoph Hellwig [this message]
2009-04-30 20:28 ` Chuck Lever
2009-04-30 20:41 ` Peter Staubach
2009-04-30 21:13 ` Chuck Lever
2009-04-30 21:23 ` Trond Myklebust
2009-05-01 16:39 ` Brian R Cowan
[not found] ` <1241126587.15476.62.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 15:55 ` Brian R Cowan
2009-05-29 16:46 ` Trond Myklebust
[not found] ` <1243615595.7155.48.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 17:25 ` Brian R Cowan
2009-05-29 17:35 ` Trond Myklebust
[not found] ` <1243618500.7155.56.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-30 0:22 ` Greg Banks
[not found] ` <ac442c870905291722x1ec811b2sda997d464898fcda-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-05-30 7:57 ` Christoph Hellwig
2009-06-01 22:30 ` J. Bruce Fields
2009-06-05 14:54 ` Christoph Hellwig
2009-06-05 16:01 ` J. Bruce Fields
2009-06-05 16:12 ` Trond Myklebust
[not found] ` <1244218328.5410.38.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-06-05 19:54 ` J. Bruce Fields
2009-06-05 21:21 ` Trond Myklebust
2009-05-30 12:26 ` Trond Myklebust
[not found] ` <1243686363.5209.16.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-30 12:43 ` Trond Myklebust
2009-05-30 13:02 ` Greg Banks
[not found] ` <ac442c870905300602v6950ec42y5195d2d6ea7dd4c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-06-01 22:30 ` J. Bruce Fields
2009-06-02 15:00 ` Chuck Lever
2009-06-02 17:27 ` Trond Myklebust
[not found] ` <1243963631.4868.124.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-06-02 18:15 ` Chuck Lever
2009-06-03 16:22 ` Carlos Carvalho
2009-06-03 17:10 ` Trond Myklebust
[not found] ` <OFB53BFCCB.0CEC7A7E-ON852575C <1244138698.5203.59.camel@heimdal.trondhjem.org>
2009-06-03 21:28 ` Dean Hildebrand
2009-06-04 2:16 ` Carlos Carvalho
2009-06-04 17:42 ` Brian R Cowan
2009-06-04 18:04 ` Trond Myklebust
2009-06-04 20:43 ` Link performance over NFS degraded in RHEL5. -- was : " Brian R Cowan
2009-06-04 20:57 ` Trond Myklebust
2009-06-04 21:30 ` Brian R Cowan
2009-06-04 21:48 ` Trond Myklebust
2009-06-04 21:07 ` Peter Staubach
2009-06-04 21:39 ` Brian R Cowan
2009-06-05 11:35 ` Steve Dickson
2009-06-05 12:46 ` Trond Myklebust
2009-06-05 13:03 ` Brian R Cowan
2009-06-05 13:05 ` Tom Talpey
[not found] ` <4A29144A.6030405@gmail.com>
2009-06-05 13:30 ` Steve Dickson
2009-06-05 13:52 ` Trond Myklebust
[not found] ` <1244209956.5410.33.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-06-05 13:57 ` Steve Dickson
[not found] ` <4A29243F.8080008-AfCzQyP5zfLQT0dZR+AlfA@public.gmane.org>
2009-06-05 16:05 ` J. Bruce Fields
2009-06-05 16:35 ` Trond Myklebust
[not found] ` <1244219715.5410.40.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-06-15 23:08 ` J. Bruce Fields
2009-06-16 0:21 ` NeilBrown
[not found] ` <99d4545537613ce76040d3655b78bdb7.squirrel-eq65iwfR9nKIECXXMXunQA@public.gmane.org>
2009-06-16 0:33 ` J. Bruce Fields
2009-06-16 0:50 ` NeilBrown
[not found] ` <02ada87c636e1088e9365a3cbea301e7.squirrel-eq65iwfR9nKIECXXMXunQA@public.gmane.org>
2009-06-16 0:55 ` J. Bruce Fields
2009-06-17 16:54 ` J. Bruce Fields
2009-06-17 16:59 ` [PATCH 1/3] nfsd: track last inode only in use_wgather case J. Bruce Fields
2009-06-17 16:59 ` [PATCH 2/3] nfsd: Pull write-gathering code out of nfsd_vfs_write J. Bruce Fields
2009-06-17 16:59 ` [PATCH 3/3] nfsd: minor nfsd_vfs_write cleanup J. Bruce Fields
2009-06-16 0:32 ` Link performance over NFS degraded in RHEL5. -- was : Read/Write NFS I/O performance degraded by FLUSH_STABLE page flushing Trond Myklebust
[not found] ` <1245112324.7470.7.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-06-16 2:02 ` J. Bruce Fields
[not found] ` <4A291D83.1000508@RedHat.com>
2009-06-05 13:50 ` Tom Talpey
2009-06-05 13:54 ` Trond Myklebust
2009-06-05 13:58 ` Tom Talpey
2009-06-05 13:56 ` Brian R Cowan
2009-06-24 19:54 ` [PATCH] read-modify-write page updating Peter Staubach
2009-06-25 17:13 ` Trond Myklebust
[not found] ` <1245950029.4913.17.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-07-09 13:59 ` Peter Staubach
2009-07-09 14:12 ` [PATCH v2] " Peter Staubach
2009-07-09 15:39 ` Trond Myklebust
[not found] ` <1247153972.5766.15.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-07-10 15:57 ` Peter Staubach
2009-07-10 17:22 ` J. Bruce Fields
2009-08-04 17:52 ` [PATCH v3] " Peter Staubach
2009-08-05 0:50 ` Trond Myklebust
2009-05-29 17:48 ` Read/Write NFS I/O performance degraded by FLUSH_STABLE page flushing Peter Staubach
2009-05-29 18:21 ` Trond Myklebust
2009-05-29 17:01 ` Chuck Lever
2009-05-29 17:38 ` Brian R Cowan
2009-05-29 17:42 ` Trond Myklebust
[not found] ` <1243618968.7155.60.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 17:47 ` Chuck Lever
2009-05-29 18:15 ` Trond Myklebust
2009-05-29 17:51 ` Peter Staubach
2009-05-29 18:25 ` Brian R Cowan
2009-05-29 18:43 ` Trond Myklebust
2009-05-29 17:55 ` Brian R Cowan
2009-05-29 18:07 ` Trond Myklebust
[not found] ` <1243620455.7155.80.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 18:18 ` Brian R Cowan
2009-05-29 18:29 ` Trond Myklebust
[not found] ` <1243621769.7155.97.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 20:09 ` Brian R Cowan
2009-05-29 20:21 ` Trond Myklebust
[not found] ` <1243628519.7155.150.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 21:55 ` Brian R Cowan
2009-05-29 22:03 ` Trond Myklebust
[not found] ` <OFBB9B2C07.CC3D028B-ON852575C5. <1243634634.7155.160.camel@heimdal.trondhjem.org>
[not found] ` <1243634634.7155.160.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 22:20 ` Brian R Cowan
2009-05-29 22:36 ` Trond Myklebust
[not found] ` <OF061E0258.9581352B-ON852575C <1243636593.7155.188.camel@heimdal.trondhjem.org>
[not found] ` <1243636593.7155.188.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-05-29 23:02 ` Brian R Cowan
2009-05-29 23:13 ` Trond Myklebust
2009-05-29 17:57 ` Trond Myklebust
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