From owner-freebsd-current@FreeBSD.ORG Wed Nov 6 12:45:44 2013 Return-Path: Delivered-To: freebsd-current@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 2124D5A0 for ; Wed, 6 Nov 2013 12:45:44 +0000 (UTC) (envelope-from feld@FreeBSD.org) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E829E2C42 for ; Wed, 6 Nov 2013 12:45:43 +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 4111D22238; Wed, 6 Nov 2013 07:45:43 -0500 (EST) Received: from web3 ([10.202.2.213]) by compute2.internal (MEProxy); Wed, 06 Nov 2013 07:45:43 -0500 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:in-reply-to:references :subject:date; s=smtpout; bh=uJLjz1h/q855ptWpbwN440AkV30=; b=Jvl 8itWoOYXZzclD3k9uLCo78RkJdbGfc9vVz1qtUhRuRa4sD/KkaYg3xfqRVVtrx8F mh7WvXEgunxz+wkX/jhtmCVPoepX9153IAJuHIfUhWTgX9oU1j+hH8gq2H9IgeEG 0ncl5wG7pfyD9aqxh0xIJYRZWPdJVOVwxtEb6lYY= Received: by web3.nyi.mail.srv.osa (Postfix, from userid 99) id 1161D160C44; Wed, 6 Nov 2013 07:45:43 -0500 (EST) Message-Id: <1383741943.17255.43784709.76CF70FB@webmail.messagingengine.com> X-Sasl-Enc: YW4FSbhWtco1dGUfmTOzP/p6DyyjrsWfmU3ZsAZ1WFTZ 1383741943 From: Mark Felder To: Volodymyr Kostyrko , freebsd-current@freebsd.org MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-Mailer: MessagingEngine.com Webmail Interface - ajax-d4893488 In-Reply-To: <527A0468.7020600@gmail.com> References: <52792B60.1030309@allanjude.com> <52792CF3.9050104@mail.lifanov.com> <1383675687.8053.43379365.3F5A71FC@webmail.messagingengine.com> <527A0468.7020600@gmail.com> Subject: Re: cron(8) improvement Date: Wed, 06 Nov 2013 06:45:43 -0600 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Nov 2013 12:45:44 -0000 On Wed, Nov 6, 2013, at 2:57, Volodymyr Kostyrko wrote: > 05.11.2013 20:21, Mark Felder wrote: > > > > > > On Tue, Nov 5, 2013, at 11:37, Nikolai Lifanov wrote: > >> On 11/05/13 12:31, Allan Jude wrote: > >>> This came up in discussion on IRC and I thought I should throw it at the > >>> list so I don't forget. > >>> > >>> A user was asking how to do what linux cron does, where there is a > >>> directory /etc/cron.d/ that packages and add files to to create crontabs. > >>> > >>> Making FreeBSD's cron (Vixie Cron) include /etc/cron.d/ and > >>> /usr/local/etc/cron.d/ in the /etc/crontab format seems like a very > >>> useful feature, especially for pkg(8) as it makes it easy and safe to > >>> programatically add and remove crontabs as part of a package. > >>> > >>> > >> > >> Shouldn't we encourage packages to use periodic(8) when possible? > >> > > > > Yes but our default periodic configuration in /etc/crontab is only > > configured to be as granular as daily. If this is something that should > > run hourly or at very strange intervals then cron is a better choice. > > So why we shouldn't add something like: > > 0 * * * * root periodic hourly > @reboot root periodic reboot > > I already do this on some machines to take hourly and boot snapshots > with zfSnap. And I think periodic is much better place for such tasks. > Submit a PR and a patch and maybe it can slip in to 10.0-RELEASE.