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From: David Miller <davem@davemloft.net>
To: yi.zhu@intel.com
Cc: netdev@vger.kernel.org, alex.shi@intel.com
Subject: Re: [RFC PATCH] accounting for socket backlog
Date: Thu, 25 Feb 2010 21:52:48 -0800 (PST)	[thread overview]
Message-ID: <20100225.215248.29533524.davem@davemloft.net> (raw)
In-Reply-To: <1267152253.16986.1655.camel@debian>

From: Zhu Yi <yi.zhu@intel.com>
Date: Fri, 26 Feb 2010 10:44:13 +0800

> On Thu, 2010-02-25 at 16:31 +0800, David Miller wrote:
>> Right now we can queue up a lot and still get it to the application
>> if it is slow getting scheduled onto a cpu, but if you put this
>> limit here it could result in lots of drops. 
> 
> Or we can replace the sk->sk_rcvbuf limit with a backlog own limit. We
> can queue "a lot", but not endless. We have to have a limit anyway.

Simply using (2 * sk->sk_rcvbuf) might be sufficient enough.

  reply	other threads:[~2010-02-26  5:52 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-25  3:13 [RFC PATCH] accounting for socket backlog Zhu Yi
2010-02-25  8:31 ` David Miller
2010-02-26  2:44   ` Zhu Yi
2010-02-26  5:52     ` David Miller [this message]
2010-02-25 11:24 ` Eric Dumazet
2010-02-26  2:34   ` Zhu Yi
2010-02-26 13:12     ` Eric Dumazet
2010-03-01  2:17       ` Zhu Yi
2010-03-01  2:29         ` Eric Dumazet
2010-03-01  3:03           ` Zhu Yi
2010-03-01  3:12             ` Eric Dumazet

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