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From: Nivedita Singhvi <niv@us.ibm.com>
To: John Salmon <jsalmon@thesalmons.org>
Cc: "David S. Miller" <davem@redhat.com>,
	linux-net@vger.kernel.org, linux-kernel@vger.kernel.org,
	kuznet@ms2.inr.ac.ru, jmorris@redhat.com
Subject: Re: negative tcp_tw_count and other TIME_WAIT weirdness?
Date: Tue, 01 Jul 2003 10:15:28 -0700	[thread overview]
Message-ID: <3F01C1B0.9030901@us.ibm.com> (raw)
In-Reply-To: <m3brwedvd9.fsf@river.fishnet>

John Salmon wrote:

> Another question - is there any chance that this bug could be
> responsible for a slowdown in network processing.  Some of my machines
> get themselves into a state in which their ability to serve
> network traffic (they're running squid) is significantly reduced -
> perhaps by a factor of two.  I wish I had more specific data, but at
> this point it's a mystery.  What I'm really wondering is whether
> there's any chance at all that this kernel bug could be behind my
> performance problem, or should I look elsewhere.
> 
> TIA,
> John Salmon

John, thanks for the earlier info you gave me, but
could you also give us your netstat -s output? For
example, are you seeing a lot of tcp memory pressure?
aborts? failures?

thanks,
Nivedita



  reply	other threads:[~2003-07-01 17:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-01  0:25 negative tcp_tw_count and other TIME_WAIT weirdness? John Salmon
2003-07-01  8:21 ` David S. Miller
2003-07-01 17:12   ` John Salmon
2003-07-01 17:15     ` Nivedita Singhvi [this message]
2003-07-01 21:22       ` John Salmon

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