Date: Mon, 11 Aug 2014 12:12:16 +0000 From: "Eggert, Lars" <lars@netapp.com> To: Michael Tuexen <Michael.Tuexen@lurchi.franken.de> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, John-Mark Gurney <jmg@funkthat.com>, Niu Zhixiong <kaiaixi@gmail.com>, Bill Yuan <bycn82@gmail.com> Subject: Re: A problem on TCP in High RTT Environment. Message-ID: <7A4120EE-60F3-4D32-89C4-C694B8DFEAE4@netapp.com> In-Reply-To: <0CF85443-26AC-4931-9D00-3396C18C7690@lurchi.franken.de> References: <CAOENNMA_CiBDJc0kchzUbTcf_JBwTJPF=PdBAUB6FPo-KzYkeQ@mail.gmail.com> <20140809184232.GF83475@funkthat.com> <8AE1AC56-D52F-4F13-AAA3-BB96042B37DD@lurchi.franken.de> <20140809204500.GG83475@funkthat.com> <3F6BC212-4223-4AAC-8668-A27075DC55C2@lurchi.franken.de> <CAOENNMCPuiYS7LHwMfOczhZ4yisjGkpOmWzv2pcAoi9Hhzb7dw@mail.gmail.com> <20140810022350.GI83475@funkthat.com> <CAOENNMB3=FZx5kSHVPDPBTtMKbmYJ=c_XNMcuYuoLPe=6U%2Bkxg@mail.gmail.com> <CAOENNMARg36KH1Y%2B0wG8pd7sSf8XKnMf6g790_KiKaj3Mdwyjw@mail.gmail.com> <20140810033212.GL83475@funkthat.com> <CAOENNMA-dwPQr53bM4rzC=1eitoi-JAB4mCGx4zybFwUC=GMNg@mail.gmail.com> <17A804F3-BEA6-46F4-887F-B68750618FD9@netapp.com> <0CF85443-26AC-4931-9D00-3396C18C7690@lurchi.franken.de>
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--Apple-Mail=_703FE0A3-9BEC-4B5B-975E-BC76BDF12757 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 2014-8-11, at 9:17, Michael Tuexen <Michael.Tuexen@lurchi.franken.de> = wrote: > Was there any suspicious output provided by netstat -m when the = problems occur? root@laurel:~ # netstat -m 8186/2179/10365 mbufs in use (current/cache/total) 8184/1214/9398/2036224 mbuf clusters in use (current/cache/total/max) 8184/885 mbuf+clusters out of packet secondary zone in use = (current/cache) 0/5/5/1018111 4k (page size) jumbo clusters in use = (current/cache/total/max) 0/0/0/301662 9k jumbo clusters in use (current/cache/total/max) 0/0/0/169685 16k jumbo clusters in use (current/cache/total/max) 18414K/2992K/21407K bytes allocated to network (current/cache/total) 544/57/8194 requests for mbufs denied (mbufs/clusters/mbuf+clusters) 0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters) 0/0/0 requests for jumbo clusters delayed (4k/9k/16k) 0/0/0 requests for jumbo clusters denied (4k/9k/16k) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile root@laurel:~ # uptime 2:12PM up 37 mins, 3 users, load averages: 0.20, 0.25, 0.15 Lars --Apple-Mail=_703FE0A3-9BEC-4B5B-975E-BC76BDF12757 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- iQCVAwUBU+izOtZcnpRveo1xAQIkEQP+Mz8Hv0qDDQQWTHCIb5r/cLGP8+g/lO/D /WUQI7peSV9Tuse0+0LQiVr9KIcl3fAkd/KFnRF+4RCq517YhwnVojq4FwJpiZvc K1TNOMUH26e9tlDN4oROC3NeL5qfVR8vNbS3Hw8glu/P6jMiZJIjMqWxhSwyrkRn U5ES2+JblwI= =4vxi -----END PGP SIGNATURE----- --Apple-Mail=_703FE0A3-9BEC-4B5B-975E-BC76BDF12757--
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