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Date:      Mon, 1 Mar 2010 16:32:22 +0100
From:      Gerrit =?ISO-8859-1?Q?K=FChn?= <gerrit@pmp.uni-hannover.de>
To:        Willem Jan Withagen <wjw@digiware.nl>
Cc:        stable@freebsd.org, freebsd-fs@freebsd.org, "Robert N. M. Watson" <rwatson@freebsd.org>, Eirik =?ISO-8859-1?Q?=D8verby?= <ltning@anduin.net>, Daniel Braniss <danny@cs.huji.ac.il>, Jeremy Chadwick <freebsd@jdc.parodius.com>
Subject:   Re: mbuf leakage with nfs
Message-ID:  <20100301163222.47d0b9f6.gerrit@pmp.uni-hannover.de>
In-Reply-To: <4B8BAA80.7060401@digiware.nl>
References:  <20100226174021.8feadad9.gerrit@pmp.uni-hannover.de> <E1Nl6VA-000557-D9@kabab.cs.huji.ac.il> <20100226224320.8c4259bf.gerrit@pmp.uni-hannover.de> <4B884757.9040001@digiware.nl> <20100227080220.ac6a2e4d.gerrit@pmp.uni-hannover.de> <4B892918.4080701@digiware.nl> <20100227202105.f31cbef7.gerrit@pmp.uni-hannover.de> <20100227193819.GA60576@icarus.home.lan> <BD8AC9F6-DF96-41F9-8E92-48A4E5606DC7@anduin.net> <4B89943C.70704@digiware.nl> <20100227220310.GA65110@icarus.home.lan> <E1Nlhzr-0004ci-3W@kabab.cs.huji.ac.il> <F794BAF9-4ADC-48F8-ACC3-C441EF77A8F2@freebsd.org> <20100228185546.f9fefa97.gerrit@pmp.uni-hannover.de> <4B8BAA80.7060401@digiware.nl>

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On Mon, 01 Mar 2010 12:52:32 +0100 Willem Jan Withagen <wjw@digiware.nl>
wrote about Re: mbuf leakage with nfs:

WJW> > In my case it is the Linux client causing the problems (cannot tell
WJW> > yet if it is only with udp, but I would think so). If I understand
WJW> > Daniel correctly his latest testes were performed with FreeBSD
WJW> > client and udp. So it may very well be a generel issue with udp?!
WJW> > Would this help narrowing down the problem?
WJW> 
WJW> I'm off 'till thursday.
WJW> At which time I'm willing to run more tests. Got plenty of boxes here.
WJW> Both FreeBSD and Linux. And otherwise will boot more in VirtualBox.

I finally too an axe and restarted nfsd without "-u". Now my mbuf usage is
flat as it should be. I guess some people using computers with udp
mounts will complian, but this can be fixed easily by converting their
connections to tcp.
However, I am still interested in having the issue fixed, so I will be
following the thread and contribute if possible.


cu
  Gerrit



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