From: "J. Bruce Fields" <bfields@fieldses.org>
To: Steve Dickson <SteveD@redhat.com>
Cc: Linux NFS Mailing list <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH] Exportfs and rpc.mountd optimalization (revisited)
Date: Fri, 20 Feb 2009 13:31:46 -0500 [thread overview]
Message-ID: <20090220183146.GD1104@fieldses.org> (raw)
In-Reply-To: <499EC930.2030408-AfCzQyP5zfLQT0dZR+AlfA@public.gmane.org>
On Fri, Feb 20, 2009 at 10:16:00AM -0500, Steve Dickson wrote:
>
>
> J. Bruce Fields wrote:
> > On Wed, Feb 18, 2009 at 01:50:09PM -0500, Steve Dickson wrote:
> >> Very long time ago Tomas Richter submitted a patch that added
> >> a export hash table to both exportfs and mountd. Very recently
> >> I ran across it and actually used some parts in the recent TCP
> >> wrappers patch...
> >>
> >> Looking at the discussion
> >> http://marc.info/?l=linux-nfs&m=111938362106991&w=2
> >> It seem no one took the time to test out the patch.. There
> >> was even a Red Hat bug opened on it but for some reason
> >> it got closed... Anyway...
> >>
> >> This is a good patch... imho.. It does help with very large exports
> >> at least in my testing...
> >
> > Just out of curiosity--what's your test?
> Created a couple hundred exports. Then used the 'time' command to
> see how long 'exportfs -arv' took. Plus I timed how long it took a
> client mount... I did to this a while ago, but as I remember it
> was a big win with this patch...
Sounds good. But I'm surprised a couple hundred is all it takes--that's
not such a long list to search! It would be interesting to take a
closer look and do some profiling.
--b.
prev parent reply other threads:[~2009-02-20 18:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-18 18:50 [PATCH] Exportfs and rpc.mountd optimalization (revisited) Steve Dickson
[not found] ` <499C5861.6050408-AfCzQyP5zfLQT0dZR+AlfA@public.gmane.org>
2009-02-19 0:43 ` Steve Dickson
2009-02-19 17:41 ` J. Bruce Fields
2009-02-20 15:16 ` Steve Dickson
[not found] ` <499EC930.2030408-AfCzQyP5zfLQT0dZR+AlfA@public.gmane.org>
2009-02-20 18:31 ` J. Bruce Fields [this message]
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