From owner-freebsd-fs@freebsd.org Mon Jan 30 16:16:07 2017 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F1908CC8A6E for ; Mon, 30 Jan 2017 16:16:07 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [IPv6:2a01:4f8:201:6350::2]) by mx1.freebsd.org (Postfix) with ESMTP id BEF58DBE; Mon, 30 Jan 2017 16:16:07 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.17.133] (unknown [89.113.128.32]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id 9E82BC8B; Mon, 30 Jan 2017 19:15:58 +0300 (MSK) Reply-To: lev@FreeBSD.org Subject: Re: Could somebody look at PR216178? References: <2cadd04c-7b7c-9963-489d-d211215a1d3f@FreeBSD.org> <76d1dab3-2c68-0b06-433c-1ee2aed7d10d@FreeBSD.org> To: Andriy Gapon , freebsd-fs@FreeBSD.org Cc: Alexander Motin , George Wilson From: Lev Serebryakov Organization: FreeBSD Message-ID: <9965c55c-0061-1836-1628-a32246c7a33e@FreeBSD.org> Date: Mon, 30 Jan 2017 19:15:58 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 MIME-Version: 1.0 In-Reply-To: <76d1dab3-2c68-0b06-433c-1ee2aed7d10d@FreeBSD.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Jan 2017 16:16:08 -0000 On 30.01.2017 18:34, Andriy Gapon wrote: >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216178 >> >> I could reproduce it on 10-STABLE and 11-STABLE and I'm afraid, that >> this ruin ARC and L2ARC efficiency completely. >> > > Lev, > > I haven't forgotten about this issue. > Unfortunately, I can not devote as much time as I would like to it. > I revisited it again and I couldn't spot anything new besides what my old patch > was supposed to fix: > https://docs.freebsd.org/cgi/getmsg.cgi?fetch=24428+0+archive/2016/freebsd-fs/20161106.freebsd-fs > > I know that George [cc-ed] was going to work on this problem. Perhaps, he has > something for you to test or debug. Now here is second installation with same problem (PR#216364), looks like it is not my local problem. I'm ready to test any patches & provide any additional information. -- // Lev Serebryakov