Date: Mon, 12 Oct 2015 10:35:23 +0200 (CEST) From: =?ISO-8859-1?Q?Trond_Endrest=F8l?= <Trond.Endrestol@fagskolen.gjovik.no> To: Johan Hendriks <joh.hendriks@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Top takes long to start Message-ID: <alpine.BSF.2.20.1510121034320.8676@mail.fig.ol.no> In-Reply-To: <561B6979.3090301@gmail.com> References: <561B6979.3090301@gmail.com>
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On Mon, 12 Oct 2015 10:04+0200, Johan Hendriks wrote: > Hello all. > > We use a central LDAP server with about 10k of user accounts. > This is all running on Ubuntu servers. When we use top on a linux > client, top starts instant. > Now we are in the process of adding some FreeBSD server in the mix. > One thing we noticed is the fact that as soon as we enable ldap top > takes about 3 to 5 seconds to start on the FreeBSD hosts. > > # top -u have no problems. > I found an old topic that top search for the longest username, but > clould not find anything else. > > Is there something I can do to speed up the start time of top. How about using the nscd(8) service on the FreeBSD servers? -- +-------------------------------+------------------------------------+ | Vennlig hilsen, | Best regards, | | Trond Endrestøl, | Trond Endrestøl, | | IT-ansvarlig, | System administrator, | | Fagskolen Innlandet, | Gjøvik Technical College, Norway, | | tlf. mob. 952 62 567, | Cellular...: +47 952 62 567, | | sentralbord 61 14 54 00. | Switchboard: +47 61 14 54 00. | +-------------------------------+------------------------------------+ From owner-freebsd-questions@freebsd.org Mon Oct 12 08:59:12 2015 Return-Path: <owner-freebsd-questions@freebsd.org> Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5A76F9D28D6 for <freebsd-questions@mailman.ysv.freebsd.org>; Mon, 12 Oct 2015 08:59:12 +0000 (UTC) (envelope-from matthew@freebsd.org) Received: from smtp.infracaninophile.co.uk (smtp.infracaninophile.co.uk [IPv6:2001:8b0:151:1:3cd3:cd67:fafa:3d78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.infracaninophile.co.uk", Issuer "infracaninophile.co.uk" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id DCC6E1DEB for <freebsd-questions@freebsd.org>; Mon, 12 Oct 2015 08:59:11 +0000 (UTC) (envelope-from matthew@freebsd.org) Received: from ox-dell39.ox.adestra.com (no-reverse-dns.metronet-uk.com [85.199.232.226] (may be forged)) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.15.2/8.15.2) with ESMTPSA id t9C8x6t7069649 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for <freebsd-questions@freebsd.org>; Mon, 12 Oct 2015 09:59:06 +0100 (BST) (envelope-from matthew@freebsd.org) Authentication-Results: smtp.infracaninophile.co.uk; dmarc=none header.from=freebsd.org DKIM-Filter: OpenDKIM Filter v2.10.3 smtp.infracaninophile.co.uk t9C8x6t7069649 Authentication-Results: smtp.infracaninophile.co.uk/t9C8x6t7069649; dkim=none; dkim-atps=neutral X-Authentication-Warning: lucid-nonsense.infracaninophile.co.uk: Host no-reverse-dns.metronet-uk.com [85.199.232.226] (may be forged) claimed to be ox-dell39.ox.adestra.com Subject: Re: Top takes long to start To: freebsd-questions@freebsd.org References: <561B6979.3090301@gmail.com> From: Matthew Seaman <matthew@freebsd.org> X-Enigmail-Draft-Status: N1110 Message-ID: <561B7659.1090907@freebsd.org> Date: Mon, 12 Oct 2015 09:59:05 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <561B6979.3090301@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="1QDCx7TghjlGHabV0anNQn0S9Vk5rme5A" X-Virus-Scanned: clamav-milter 0.98.7 at lucid-nonsense.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on lucid-nonsense.infracaninophile.co.uk X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions <freebsd-questions.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>; List-Post: <mailto:freebsd-questions@freebsd.org> List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=subscribe> X-List-Received-Date: Mon, 12 Oct 2015 08:59:12 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --1QDCx7TghjlGHabV0anNQn0S9Vk5rme5A Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 10/12/15 09:04, Johan Hendriks wrote: > We use a central LDAP server with about 10k of user accounts. > This is all running on Ubuntu servers. When we use top on a linux > client, top starts instant. > Now we are in the process of adding some FreeBSD server in the mix. > One thing we noticed is the fact that as soon as we enable ldap top > takes about 3 to 5 seconds to start on the FreeBSD hosts. Wht are you using for ldap pam/nss connectivity? Definitely recommend net/nss-pam-ldapd or net/nss-pam-ldapd-sasl (if your LDAP requires SASL auth). This has a built in nslcd cache daemon, which should help avoid some of the delays involved in looking up userids over your lan. Cheers, Matthew --1QDCx7TghjlGHabV0anNQn0S9Vk5rme5A Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBCgAGBQJWG3ZZAAoJEABRPxDgqeTnaqgP/R9Lsv2vJUmppR8TrVSOXd0+ +bUS724sW7JgMlABCK4sa7GR7ixIIpAZfXyts4gdbMfXJbtcTQhcrZKJpJWtHgdJ cYAqn/bcTmZcIiAcbLAZ6fzTd/9aHuNOhZqV2VV5STS8DVZ3qBVqQz62Ytp1gqM5 /ZMamphuyvScryiqwDQute2yQ4GPgVgjPGxqSeaIndsOC8f8vmrsPG4sdetAWfXv ruyXjMqunWCCu7OhcMap8JCx/nolouiPx3Sxe5mSnvmFcD8izj45QX2kbtHWFL7Q YUq2HXP9eLuvVDqEDkEc72Qdu9h1zo8Of4KFy/womkLtWKCo5i3s18n4KV3DUzxX p+dUYo1WhiS1w+ME7ekSSrCN2GY2WUsaIbGkFqOLBQ4VxaL4bbO7iLqIhcxBuMKy TMjFY4us8L5n2KSNipYc81OSMpUXsD8W7NxrPC0Jy1HkdR1OMGG6nwffEm7Dyuu1 Pko+zRB8boPLXKlFbWtmIulqem63R/AeoNjYPERiybFz+XSW25Xrkm7cg89cl1Dl uFFcMKZC+bklXy7HSptViY/8qzcB5zaBjy5A3wLDC2NRo6x6q9a06jxBx71W9YzR QOuf6L/YRXgHsPZkz0Jz4QumJdU1BSLkAFCM8pkAzrhKedXWonVT/xZqrVD5fxx0 yb1LW1Fwq3VA/suJEeLL =KZUl -----END PGP SIGNATURE----- --1QDCx7TghjlGHabV0anNQn0S9Vk5rme5A--
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