From owner-freebsd-questions@FreeBSD.ORG Tue Jun 2 23:05:05 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 578B8106566B for ; Tue, 2 Jun 2009 23:05:05 +0000 (UTC) (envelope-from steve@ibctech.ca) Received: from ibctech.ca (v6.ibctech.ca [IPv6:2607:f118::b6]) by mx1.freebsd.org (Postfix) with SMTP id BE3658FC18 for ; Tue, 2 Jun 2009 23:05:04 +0000 (UTC) (envelope-from steve@ibctech.ca) Received: (qmail 17241 invoked by uid 89); 2 Jun 2009 23:05:47 -0000 Received: from unknown (HELO ?IPv6:2607:f118::5?) (steve@ibctech.ca@2607:f118::5) by 2607:f118::b6 with ESMTPA; 2 Jun 2009 23:05:47 -0000 Message-ID: <4A25B029.1030608@ibctech.ca> Date: Tue, 02 Jun 2009 19:05:13 -0400 From: Steve Bertrand User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: "freebsd-questions@freebsd.org Questions -" X-Enigmail-Version: 0.95.7 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms000805000108080200090307" Subject: Set task priority X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jun 2009 23:05:07 -0000 This is a cryptographically signed message in MIME format. --------------ms000805000108080200090307 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi everyone, I'm attempting to "mysqldump" a database on a box that is hovering near max CPU and mem usage. When I run the command, other critical programs fail to respond causing an 'outage-like' situation. Normally, this is a time-of-day task and will run happily later into the night, but I want to run it now. What is the best way to set priority on my task in order to ensure it completes as quickly as possible, but does not cause a situation where other programs and their children can't respond? 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