From owner-freebsd-fs@FreeBSD.ORG Tue May 31 18:25:40 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7486B106564A; Tue, 31 May 2011 18:25:40 +0000 (UTC) (envelope-from prvs=11320824c3=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 66DFC8FC0C; Tue, 31 May 2011 18:25:39 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Tue, 31 May 2011 19:25:09 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Tue, 31 May 2011 19:25:06 +0100 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 ([188.220.16.49]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50013432003.msg; Tue, 31 May 2011 19:25:05 +0100 X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=11320824c3=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <6369E29ADE744AA4A63D49C46B1C9DBC@multiplay.co.uk> From: "Steven Hartland" To: "Artem Belevich" References: <0EFD28CD-F2E9-4AE2-B927-1D327EC99DB9@bitgravity.com><4DE50811.5060606@FreeBSD.org><7F79B120F4ED415F8BB9EB7A4483AF8D@multiplay.co.uk> Date: Tue, 31 May 2011 19:25:19 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6090 Cc: freebsd-fs@freebsd.org, Andriy Gapon Subject: Re: ZFS: arc_reclaim_thread running 100%, 8.1-RELEASE, LBOLT related X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 May 2011 18:25:40 -0000 ----- Original Message ----- From: "Artem Belevich" > On Tue, May 31, 2011 at 8:57 AM, Steven Hartland > wrote: >> Looks like we had this on machine today which had only been up 66 days. >> A reboot cleared it, but 66 days up time is nearly half previously reported >> making it a bit more serious. > > What does 'sysctl kern.hz' show on your box? Overflow rate depends on > hz. Estimate of 106 days is based on hz=1000. Its 1000, does it also depend on the number of cores at all? Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.