From owner-freebsd-fs@FreeBSD.ORG Tue May 31 16:31:59 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 D53AE1065670; Tue, 31 May 2011 16:31:59 +0000 (UTC) (envelope-from artemb@gmail.com) Received: from mail-gy0-f182.google.com (mail-gy0-f182.google.com [209.85.160.182]) by mx1.freebsd.org (Postfix) with ESMTP id 7A8058FC0C; Tue, 31 May 2011 16:31:59 +0000 (UTC) Received: by gyg13 with SMTP id 13so2723264gyg.13 for ; Tue, 31 May 2011 09:31:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=mBInYgpRYcKtF/0YKImkxCLx1v9FhbJ6lszTLJso7L4=; b=LRctKs+PIbv8PKi48sgk+DNgpKwJdhzHItcziTTOQbNYG2dGLoAAs5AbqE4CMuLPzc mGkmJFQ0RT31qo1de5pESnUGh4WgH2srsHkLXmDqa6NoUCoJ72qecFlt8WUykhc0rM7A NNLGWS1Jj+rtyjME44nAPt7ncunQlobXowYOg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=a88SffdlWyBW+0UpaF3vYKpDP3dd2rD/xFy2+NoutjfQsILSafEbkTTLfBPuGy37mi m44gan5SabpV6POWFK8AEY8PWGT2PrToheHbpNPmPZm24cEvTU5cwOIvzJWcpWbrsKvA Be6oBdLJ4YjKpiZG3d6QPZfyBzDVyGVtfF+LU= MIME-Version: 1.0 Received: by 10.236.78.99 with SMTP id f63mr6875874yhe.518.1306859518483; Tue, 31 May 2011 09:31:58 -0700 (PDT) Sender: artemb@gmail.com Received: by 10.236.208.70 with HTTP; Tue, 31 May 2011 09:31:58 -0700 (PDT) In-Reply-To: <7F79B120F4ED415F8BB9EB7A4483AF8D@multiplay.co.uk> References: <0EFD28CD-F2E9-4AE2-B927-1D327EC99DB9@bitgravity.com> <4DE50811.5060606@FreeBSD.org> <7F79B120F4ED415F8BB9EB7A4483AF8D@multiplay.co.uk> Date: Tue, 31 May 2011 09:31:58 -0700 X-Google-Sender-Auth: UfMplu5EA-FkC0q2h2PDE6PcbUo Message-ID: From: Artem Belevich To: Steven Hartland Content-Type: text/plain; charset=ISO-8859-1 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 16:31:59 -0000 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. --Artem