From owner-freebsd-hackers@FreeBSD.ORG Wed Nov 26 22:53:54 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7B8BF1065676 for ; Wed, 26 Nov 2008 22:53:54 +0000 (UTC) (envelope-from hans@lambermont.dyndns.org) Received: from lambermont.dyndns.org (lambermont.dyndns.org [82.95.221.39]) by mx1.freebsd.org (Postfix) with ESMTP id 2B9278FC08 for ; Wed, 26 Nov 2008 22:53:53 +0000 (UTC) (envelope-from hans@lambermont.dyndns.org) Received: from frag.lambermont.dyndns.org.lambermont.dyndns.org (frag.lambermont.dyndns.org [192.168.100.21]) by lambermont.dyndns.org (Postfix) with ESMTP id 0C4D91CC21; Wed, 26 Nov 2008 23:37:53 +0100 (CET) Received: by frag.lambermont.dyndns.org.lambermont.dyndns.org (Postfix, from userid 1001) id 748374C03C; Wed, 26 Nov 2008 23:38:52 +0100 (CET) Date: Wed, 26 Nov 2008 23:38:52 +0100 To: Artem Naluzhnyy Message-ID: <20081126223852.GV23260@frag.lambermont.dyndns.org> References: <65dfa4fc0811261002w61224c0ey9ed987f3f8122db0@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <65dfa4fc0811261002w61224c0ey9ed987f3f8122db0@mail.gmail.com> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) From: hans@lambermont.dyndns.org (H) Cc: freebsd-hackers@freebsd.org Subject: Re: crontab(5) enhancements X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Nov 2008 22:53:54 -0000 Artem Naluzhnyy wrote on 20081126: > I have two suggestion for newsyslog(8) and periodic(8) entries in > default /etc/crontab file: > * nice(1) newsyslog and periodic entries to shape CPU load spikes; > * lockf(1) them to prevent simultaneous execution. I think a pointer to at least lockf will be welcomed by our users. regards, Hans Lambermont