From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Douglas Furlong <douglas.furlong@firebox.com>
Cc: nfs@lists.sourceforge.net
Subject: Re: NFS server not responding
Date: 27 Nov 2003 15:02:37 -0500 [thread overview]
Message-ID: <shs8ym137he.fsf@charged.uio.no> (raw)
In-Reply-To: <1069960032.4680.71.camel@wibbit.firebox.com>
>>>>> " " == Douglas Furlong <douglas.furlong@firebox.com> writes:
> What sort of things would be causing the client to have to
> re-transmit so often?
UDP is not a reliable transport protocol. Packets can get dropped by
switches, and by the server itself, in which case the client's only
option is to time out and retransmit.
TCP offers reliability, but at the price of a slight protocol
overhead.
> Client rpc stats: calls retrans authrefrsh 3431978 15968 0
> Those retrans numbers, as a percentage of the calls, does it
> seem appropriate?
Yep. 0.5% seems reasonable enough.
Cheers,
Trond
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next prev parent reply other threads:[~2003-11-27 20:02 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-27 12:00 NFS server not responding Douglas Furlong
2003-11-27 16:30 ` Trond Myklebust
2003-11-27 19:07 ` Douglas Furlong
2003-11-27 20:02 ` Trond Myklebust [this message]
2003-11-28 8:46 ` Juergen Sauer
2003-11-28 9:37 ` Douglas Furlong
2003-11-28 10:11 ` Juergen Sauer
2003-11-28 10:48 ` Douglas Furlong
2003-11-28 12:28 ` Bogdan Costescu
2003-11-28 16:56 ` Trond Myklebust
2003-11-28 18:43 ` Bogdan Costescu
2003-12-02 14:37 ` Douglas Furlong
2003-12-02 15:37 ` Trond Myklebust
2003-12-04 17:17 ` Steve Dickson
2003-12-04 17:37 ` Steve Dickson
2003-12-04 18:39 ` Trond Myklebust
2003-12-04 19:11 ` Steve Dickson
2003-12-04 20:55 ` seth vidal
2003-12-04 21:24 ` Steve Dickson
2003-12-05 2:53 ` Kyle Rose
2003-12-09 19:47 ` Steve Dickson
2003-12-09 20:09 ` Kyle Rose
2003-12-05 15:50 ` Bogdan Costescu
2003-11-30 20:01 ` seth vidal
2003-12-01 10:58 ` Bogdan Costescu
2003-11-28 12:36 ` Bogdan Costescu
-- strict thread matches above, loose matches on Subject: below --
2009-05-16 0:57 nfs: " Jerome Walters
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