Date: Thu, 13 Jan 2022 18:25:06 +0000 From: Jamie Landeg-Jones <jamie@catflap.org> To: net@FreeBSD.org, glebius@FreeBSD.org Subject: Re: compressed TIME-WAIT to be decomissioned Message-ID: <202201131825.20DIP6AT072280@donotpassgo.dyslexicfish.net> In-Reply-To: <Yd8im/VkTU1zdvOi@FreeBSD.org> References: <Yd8im/VkTU1zdvOi@FreeBSD.org>
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Gleb Smirnoff <glebius@FreeBSD.org> wrote: > modern HTTP server can be lowered 3 times more. Feel free to lower > net.inet.tcp.msl and do your own measurements with > 'netstat -sp tcp | grep TIME-WAIT'. I'd be glad to see your results. Without changing net.inet.tcp.msl I get: | 18:18 (46.0°C 1100) (2) "/tmp" jamie@thompson% do-all-hosts 'netstat -sp tcp | grep TIME_WAIT' | _______________________________________________________ | jamie@catflap: netstat -sp tcp | grep TIME_WAIT | catflap: 1506 connections in TIME_WAIT state | _______________________________________________________ | jamie@catnip: netstat -sp tcp | grep TIME_WAIT | catnip: 1666 connections in TIME_WAIT state | _______________________________________________________ | jamie@catseye: netstat -sp tcp | grep TIME_WAIT | catseye: 2334 connections in TIME_WAIT state | | . | . Not primarily webservers, but running an application with (obviously) lots of short-lived tcp connections... Cheers, Jamie
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