From: "J. Bruce Fields" <bfields@fieldses.org>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Christoph Hellwig <hch@infradead.org>,
Krishna Kumar <krikku@gmail.com>,
Greg Banks <gnb-xTcybq6BZ68@public.gmane.org>,
Brian R Cowan <brcowan@us.ibm.com>,
Chuck Lever <chuck.lever@oracle.com>,
linux-nfs@vger.kernel.org, linux-nfs-owner@vger.kernel.org,
Peter Staubach <staubach@redhat.com>
Subject: Re: Read/Write NFS I/O performance degraded by FLUSH_STABLE page flushing
Date: Fri, 5 Jun 2009 15:54:34 -0400 [thread overview]
Message-ID: <20090605195434.GI14043@fieldses.org> (raw)
In-Reply-To: <1244218328.5410.38.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
On Fri, Jun 05, 2009 at 12:12:08PM -0400, Trond Myklebust wrote:
> On Fri, 2009-06-05 at 10:54 -0400, Christoph Hellwig wrote:
> > On Mon, Jun 01, 2009 at 06:30:08PM -0400, J. Bruce Fields wrote:
> > > > NFSD stops calling ->fsync without a file struct.
> > > >
> > > > I think the open file cache will help us with that, if we can extend
> > > > it to also cache open file structs for directories.
> > >
> > > Krishna Kumar--do you think that'd be a reasonable thing to do?
> >
> > Btw, do you have at least the basic open files cache queue for 2.6.31?
> >
>
> Now that _will_ badly screw up the write gathering heuristic...
How?
--b.
next prev parent reply other threads:[~2009-06-05 19:54 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
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 [this message]
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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