From: "J. Bruce Fields" <bfields@fieldses.org>
To: Adrian von Bidder <avbidder-xzBkAS4TQxQfv37vnLkPlQ@public.gmane.org>
Cc: nfs@lists.sourceforge.net
Subject: Re: [NFS] NFS performance debuggins
Date: Mon, 23 Jun 2008 15:28:36 -0400 [thread overview]
Message-ID: <20080623192836.GI24373@fieldses.org> (raw)
In-Reply-To: <200806231659.58158-xzBkAS4TQxQfv37vnLkPlQ@public.gmane.org>
On Mon, Jun 23, 2008 at 04:59:57PM +0200, Adrian von Bidder wrote:
> Hi,
>
> Environment:
>
> several Debian based clients (Debian etch and etchnhalf kernels, this means
> 2.6.18 or 2.6.24); Debian etch (2.6.18 kernel) NFS (v3) server. Network
> seems basically ok ("ping -f -s 3000" works without losses, ifconfig and
> switch monitoring shows no errors) with no noticeable load. Disks seem to
> have very little load either, NFS server has no other tasks.
>
> Performance is sluggish :-( Basically works, though -- no spurious errors.
In what way exactly is it sluggish?
> tcpdump shows many "reply ERR 1448" etc. msgs whenever NFS activitiy is
> going on (both stat like with "find /home" or read/write with dd)
I'm afraid I don't know how to read that tcpdump output.
--b.
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next prev parent reply other threads:[~2008-06-23 19:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 14:59 [NFS] NFS performance debuggins Adrian von Bidder
[not found] ` <200806231659.58158-xzBkAS4TQxQfv37vnLkPlQ@public.gmane.org>
2008-06-23 15:15 ` Trond Myklebust
2008-06-23 19:28 ` J. Bruce Fields [this message]
2008-06-24 10:17 ` [NFS] NFS performance debugging Adrian von Bidder
[not found] ` <200806241217.29243-xzBkAS4TQxQfv37vnLkPlQ@public.gmane.org>
2008-06-24 20:29 ` J. Bruce Fields
2008-06-25 7:02 ` Adrian von Bidder
[not found] ` <200806250902.42880-xzBkAS4TQxQfv37vnLkPlQ@public.gmane.org>
2008-06-25 13:20 ` Trond Myklebust
2008-06-25 13:59 ` Steve Dickson
[not found] ` <48624F34.1070108-AfCzQyP5zfLQT0dZR+AlfA@public.gmane.org>
2008-06-27 7:30 ` Krishna Kumar2
2008-06-27 13:44 ` Chuck Lever
[not found] ` <76bd70e30806270644j3e67c83and7b1f7fd6cc2f5f5-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-06-27 18:12 ` Trond Myklebust
2008-06-30 9:05 ` Krishna Kumar2
2008-06-27 18:06 ` Olga Kornievskaia
2008-06-25 16:56 ` J. Bruce Fields
2008-06-26 6:19 ` Adrian von Bidder
[not found] ` <200806260819.35108-xzBkAS4TQxQfv37vnLkPlQ@public.gmane.org>
2008-06-26 17:03 ` J. Bruce Fields
2008-06-27 6:24 ` Adrian von Bidder
[not found] ` <200806270824.54066-xzBkAS4TQxQfv37vnLkPlQ@public.gmane.org>
2008-06-27 17:47 ` J. Bruce Fields
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