From owner-freebsd-stable@FreeBSD.ORG Wed Sep 11 10:32:44 2013 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 09D905D6 for ; Wed, 11 Sep 2013 10:32:44 +0000 (UTC) (envelope-from lars@netapp.com) Received: from mx12.netapp.com (mx12.netapp.com [216.240.18.77]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id C87A4222E for ; Wed, 11 Sep 2013 10:32:43 +0000 (UTC) X-IronPort-AV: E=Sophos;i="4.90,883,1371106800"; d="asc'?scan'208";a="88590801" Received: from vmwexceht04-prd.hq.netapp.com ([10.106.77.34]) by mx12-out.netapp.com with ESMTP; 11 Sep 2013 03:32:37 -0700 Received: from SACEXCMBX01-PRD.hq.netapp.com ([169.254.2.116]) by vmwexceht04-prd.hq.netapp.com ([10.106.77.34]) with mapi id 14.03.0123.003; Wed, 11 Sep 2013 03:32:36 -0700 From: "Eggert, Lars" To: "stable@freebsd.org" Subject: nfsd CPU usage? Thread-Topic: nfsd CPU usage? Thread-Index: AQHOrto706tE4yigQ0+JIY2X/OKgRA== Date: Wed, 11 Sep 2013 10:32:36 +0000 Message-ID: <404C967C-4BFB-424C-A5E0-6ACE6576249C@netapp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.106.53.51] Content-Type: multipart/signed; boundary="Apple-Mail=_9B51DA49-75C5-4D74-953A-FCF572E18339"; protocol="application/pgp-signature"; micalg=pgp-sha1 MIME-Version: 1.0 Cc: Rick Macklem X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Sep 2013 10:32:44 -0000 --Apple-Mail=_9B51DA49-75C5-4D74-953A-FCF572E18339 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi, I'm seeing extremely high CPU usage withssh-st the new nfsd: PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 2280 root 102 0 9932K 1376K *nfs_c 0 320:11 100.00% = nfsd{nfsd: service} 2280 root 102 0 9932K 1376K CPU7 7 319:47 100.00% = nfsd{nfsd: service} 2280 root 102 0 9932K 1376K CPU5 5 318:25 100.00% = nfsd{nfsd: service} 2280 root 102 0 9932K 1376K CPU6 6 318:20 100.00% = nfsd{nfsd: service} 2280 root 52 0 9932K 1376K CPU0 0 317:32 100.00% = nfsd{nfsd: service} 2280 root 102 0 9932K 1376K *nfs_c 1 315:41 99.17% = nfsd{nfsd: service} 2280 root 52 0 9932K 1376K *nfs_c 4 320:22 98.78% = nfsd{nfsd: master} 2280 root 102 0 9932K 1376K *nfs_c 1 317:10 98.10% = nfsd{nfsd: service} And this is at a few hundred KB/s with only a few clients: ifstat -i igb1 10 igb1 =20 KB/s in KB/s out 796.56 208.66 431.19 232.36 316.11 280.31 1005.96 523.42 1077.74 342.25 340.63 217.73 1067.96 330.56 487.91 235.61 Any ideas? FreeBSD stanley.muccbc.hq.netapp.com 9.2-PRERELEASE FreeBSD = 9.2-PRERELEASE #7: Wed Sep 4 11:06:31 CEST 2013 = root@stanley.muccbc.hq.netapp.com:/usr/obj/usr/src/sys/STANLEY amd64 Thanks, Lars --Apple-Mail=_9B51DA49-75C5-4D74-953A-FCF572E18339 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----- Comment: GPGTools - http://gpgtools.org iQCVAwUBUjBGw9ZcnpRveo1xAQJfXwP9HbQpkpMsAmnoOUjWDNKQTlh4vmy/8klB mNU3CCrkSUu5pyyWk9d1H38NgErr6dvXDLwNCTvFNhfLq+a6I49oKuLdtyN4jO5l 8ydNtez58JetD72BywD8dT0nNOmVDk8QfG7sg2C9WePuNvFutMxEXLaR+Zc6OJs0 ia8/axiADTA= =h/l+ -----END PGP SIGNATURE----- --Apple-Mail=_9B51DA49-75C5-4D74-953A-FCF572E18339--