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Date:      Tue, 30 Oct 2001 09:21:12 +0900
From:      "Daikichi Osuga" <osuga@mml.yrp.nttdocomo.co.jp>
To:        <freebsd-net@FreeBSD.ORG>
Subject:   Re: Running out of sockets, TIME_WAIT state
Message-ID:  <001601c160d8$c813d570$f23315ac@OSUGASYSWKS>
References:  <000501c160d3$7b7362d0$cb8b5e82@winter>

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I think use T/TCP is one solution.

see ttcp(4), RFC1644, and TCP/IP Illustrated Volume 3.

--
Daikichi Osuga

----- Original Message ----- 
From: "Phil Rosenthal" <pr@isprime.com>
To: <freebsd-net@FreeBSD.ORG>
Sent: Tuesday, October 30, 2001 8:43 AM
Subject: Running out of sockets, TIME_WAIT state


> I have the kernel configured with 65536 sockets.  This system is very fast,
> connected to a very fast network, with a very fast storage system.  It is
> handling about 5000 connections per second and is maxing out its 65536
> sockets (because so many are sitting in TIME_WAIT status).
> This box is pushing ~90 megabit out of a gig-e card and is only using about
> 50% cpu, but unfortunately it cant answer any more connections because there
> are no more sockets available.  i tried lowering msl, but that seems to make
> the system act "wierd" (all the webserver processes seem to block at the
> same status) -- and i tried upping the sockets to 131072, but that seems to
> cause the system to panic.
> any ideas?
> --Phil
> 
> 
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