From: Andy Furniss <andy.furniss@dsl.pipex.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] About sockets in "CLOSING" state
Date: Sat, 09 Apr 2005 19:59:41 +0000 [thread overview]
Message-ID: <4258342D.8010908@dsl.pipex.com> (raw)
In-Reply-To: <20050408144937.GA3694@dsl-202-173-141-208.sa.westnet.com.au>
Denis Potapov wrote:
> Hi,
>
> I have met the problem: when I use the shaping discipline
>
> tc qdisc add dev ppp0 parent 1:2 tbf latency 50ms burst 1450 rate 50kbit
>
> one of my application (namely, "aMule") starts leaving sockets in
> "CLOSING" state. These sockets accumulate and do not disappear.
> Eventually I have so many of these dead sockets that the kernel warns
> "Out of socket memory" in syslog (That happens when I have more than
> 5000 dead sockets).
>
> When the discipline above canceled the problem disappears. Now the
> questions.
>
> 1. Is it problem of my application (=aMule) or QoS.
>
> 2. Is there any way to eliminate these "dead" sockets out of kernel
> memory, like "kill"?
>
> Please, share if you have any ideas.
Using burst 1450 on tbf will drop all packets > 1449 bytes if your MTU
is > 1449 then this could be the problem.
Andy.
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next prev parent reply other threads:[~2005-04-09 19:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-08 14:56 [LARTC] About sockets in "CLOSING" state Denis Potapov
2005-04-09 19:59 ` Andy Furniss [this message]
2005-04-10 5:03 ` Denis Potapov
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