Date: Tue, 8 Oct 2013 04:32:45 -0700 (PDT) From: Laszlo Danielisz <laszlo_danielisz@yahoo.com> To: Mark Felder <feld@FreeBSD.org>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: munin related Message-ID: <1381231965.70095.YahooMailNeo@web160506.mail.bf1.yahoo.com> In-Reply-To: <1381170944.1348.31089409.5240B3D0@webmail.messagingengine.com> References: <1380991485.82917.YahooMailNeo@web160503.mail.bf1.yahoo.com> <20131007155554.GB5343@dan.emsphone.com> <12BA615C8BF048EAA9C5961448988DAF@yahoo.com> <1381170944.1348.31089409.5240B3D0@webmail.messagingengine.com>
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Not a bad idea. ________________________________ From: Mark Felder <feld@FreeBSD.org> To: freebsd-questions@freebsd.org Sent: Monday, October 7, 2013 8:35 PM Subject: Re: munin related On Mon, Oct 7, 2013, at 12:57, Laszlo Danielisz wrote: > Dear Dan, > > Yep killing nscd help me to get out of this trouble. > > Thank you very much! > Some day it might be feasible to tie a hook into pkg that clears the uid/gid cache in nscd when trying to install packages so this isn't a problem. _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" From owner-freebsd-questions@FreeBSD.ORG Tue Oct 8 12:49:31 2013 Return-Path: <owner-freebsd-questions@FreeBSD.ORG> Delivered-To: freebsd-questions@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 AB367FA for <freebsd-questions@freebsd.org>; Tue, 8 Oct 2013 12:49:31 +0000 (UTC) (envelope-from feld@FreeBSD.org) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 7E2C420B2 for <freebsd-questions@freebsd.org>; Tue, 8 Oct 2013 12:49:31 +0000 (UTC) Received: from compute2.internal (compute2.nyi.mail.srv.osa [10.202.2.42]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 6C7C92139D for <freebsd-questions@freebsd.org>; Tue, 8 Oct 2013 08:49:30 -0400 (EDT) Received: from web3 ([10.202.2.213]) by compute2.internal (MEProxy); Tue, 08 Oct 2013 08:49:30 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=message-id:from:to:mime-version :content-transfer-encoding:content-type:subject:date:in-reply-to :references; s=smtpout; bh=FJ33KJZKMUfh3sywRP689sMM1eg=; b=cdmAx ZPDA5KIL24IsWXlEjIu9nHElUnkVximB9bICLLZIB0XFacQjXwQ0HJead7g+eOQI +NMNm/OgAQ8SZwQZ16qkho7d3OWhMfqWrqEOd7y12S/KWuH/katW56FrK1EUAnnL xLdpeWSUI38O2JkWBiTbATNBbaSQ07jdkmWa+o= Received: by web3.nyi.mail.srv.osa (Postfix, from userid 99) id 4E1A7116A6F; Tue, 8 Oct 2013 08:49:30 -0400 (EDT) Message-Id: <1381236570.4983.31420537.4465A37F@webmail.messagingengine.com> X-Sasl-Enc: +YaBCg63JmlIOowbrO4j4fslydBKMGrTa4UC06+lgPaC 1381236570 From: Mark Felder <feld@FreeBSD.org> To: FreeBSD Questions <freebsd-questions@freebsd.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: MessagingEngine.com Webmail Interface - ajax-ce174988 Subject: Re: munin related Date: Tue, 08 Oct 2013 07:49:30 -0500 In-Reply-To: <alpine.BSF.2.00.1310080808140.70367@mail.fig.ol.no> References: <1380991485.82917.YahooMailNeo@web160503.mail.bf1.yahoo.com> <20131007155554.GB5343@dan.emsphone.com> <12BA615C8BF048EAA9C5961448988DAF@yahoo.com> <alpine.BSF.2.00.1310080808140.70367@mail.fig.ol.no> X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions <freebsd-questions.freebsd.org> List-Unsubscribe: <http://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: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=subscribe> X-List-Received-Date: Tue, 08 Oct 2013 12:49:31 -0000 On Tue, Oct 8, 2013, at 1:15, Trond Endrest=F8l wrote: > On Mon, 7 Oct 2013 19:57+0200, Laszlo Danielisz wrote: >=20 > > Yep killing nscd help me to get out of this trouble. >=20 > I have long suspected nscd to reinitialise the timers whenever an=20 > entry is requested while still held in the cache, be it a positive or=20 > a negative result. >=20 > As such the only reasonable solution is to never cache negative=20 > results (TTL=3D0) and keep the positive TTL relatively short, say no=20 > more than 60 minutes. >=20 > Can someone more knowledgeable on nscd internals confirm my suspicion? >=20 I'm not that guy, but I do remember watching this closely on the mailing lists a while back. I can't deploy nscd because of negative cache issues and I don't think this patch in this thread was ever committed. I haven't had time to investigate, though. http://freebsd.1045724.n5.nabble.com/PATCH-Fix-for-negative-cacheing-proble= m-in-NSCD-td5722843.html
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