Date: Wed, 17 Aug 2011 15:31:44 +0200 From: =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri@freebsd.org> To: Florian Smeets <flo@freebsd.org> Cc: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, freebsd-pf@freebsd.org Subject: Re: svn commit: r223637 - in head: . contrib/pf/authpf contrib/pf/ftp-proxy contrib/pf/man contrib/pf/pfctl contrib/pf/pflogd sbin/pflogd sys/conf sys/contrib/altq/altq sys/contrib/pf/net sys/modules s... Message-ID: <CAPBZQG2kRYvzVsXdtdG54Jbu3oZF7NsW61kuqEboChX9tjEWrA@mail.gmail.com> In-Reply-To: <4E4BBCB0.4090003@freebsd.org> References: <201106281157.p5SBvP5g048097@svn.freebsd.org> <EA6E6909-A42B-4CF2-891A-B8A80E2B8476@FreeBSD.org> <20110629192224.2283efc8@fabiankeil.de> <20110707193539.GA60591@dragon.NUXI.org> <CAPBZQG1ZOBJh0BMPH%2BkKAHfWJoYCubdGunncd5Bhd7y39-_fkA@mail.gmail.com> <20110708170240.GA59024@dragon.NUXI.org> <4E4BB39D.8070903@freebsd.org> <22DE2AEF-22A3-4B6E-9E24-DCF0EDF40933@lists.zabbadoz.net> <4E4BB602.2060205@freebsd.org> <CAPBZQG080N4xyDLG7y1rCprsa5oo7Dtshk1ny7j4-M3bEXhkaA@mail.gmail.com> <4E4BBCB0.4090003@freebsd.org>
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On Wed, Aug 17, 2011 at 3:05 PM, Florian Smeets <flo@freebsd.org> wrote: > On 17.08.2011 14:58, Ermal Luçi wrote: >> >> On Wed, Aug 17, 2011 at 2:37 PM, Florian Smeets<flo@freebsd.org> wrote: >>> >>> On 17.08.2011 14:30, Bjoern A. Zeeb wrote: >>>> >>>> On Aug 17, 2011, at 12:27 PM, Florian Smeets wrote: >>>> >>>>> On 08.07.2011 19:02, David O'Brien wrote: >>>>>> >>>>>> On Fri, Jul 08, 2011 at 02:26:37PM +0200, Ermal Lui wrote: >>>>>>> >>>>>>> On Thu, Jul 7, 2011 at 9:35 PM, David O'Brien<obrien@freebsd.org> >>>>>>> wrote: >>>>>>>> >>>>>>>> I have 'pfctl', 'netstat', 'netstat -rn', and 'sysctl -a' output >>>>>>>> from >>>>>>>> one >>>>>>>> of these experiences. �Would they be useful to you in looking into >>>>>>>> this? >>>>>>> >>>>>>> please send those. >>>>>>> Also useful would be a description of your setup. >>>>>> >>>>>> Ermal, >>>>>> Thanks. I'll send to you off list. >>>>>> >>>>> >>>>> Hi, >>>>> >>>>> did you guys find out what was wrong? I may have a similar problem. My >>>>> server loses connection after some time. I think it is because the >>>>> state >>>>> table is getting full, but i only have a couple of active states. >>>>> >>>>> The current entries keep increasing, i had ~3600 this morning. >>>>> >>>>> flo@tb:~ # sudo pfctl -vsi|grep "current entries" >>>>> No ALTQ support in kernel >>>>> ALTQ related functions disabled >>>>> current entries 4891 >>>>> current entries 0 >>>>> flo@tb:~ # sudo pfctl -ss| wc -l >>>>> No ALTQ support in kernel >>>>> ALTQ related functions disabled >>>>> 12 >>>>> >>>>> Every new connection is added to the current entries but it seems they >>>>> are never removed?! >>>>> >>>>> I've set debug to loud, what else should i do to track this down? >>>> >>>> >> >> There is a thread in freebsd-net@ explaining some culprits with >> state table numbers from pfctl -ss and number from pfctl -vsi. >> > > Ok, having another look at pfctl -vsi it looks like it confirms my suspicion > that states do not get removed. > > State Table Total Rate > current entries 5082 > searches 296083 3.7/s > inserts 5082 0.1/s > removals 0 0.0/s > Well really it depends on the timeframe this statistic was taken! I do not want to be a nonbeliver but this was confirmed working by other people that reported the same 'issue'. Other than that you can do a pfctl -dvvss and pfctl -dvvsi for every minute and send them to compare. Further more there should be a kernel thread "pfpurge" that is running, verify with procstat which does the job of purging your states. -- Ermal
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