From owner-freebsd-current@freebsd.org Tue Mar 6 20:20:17 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id AF86EF2B695 for ; Tue, 6 Mar 2018 20:20:17 +0000 (UTC) (envelope-from lists@opsec.eu) Received: from home.opsec.eu (home.opsec.eu [IPv6:2001:14f8:200::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4A7606875D for ; Tue, 6 Mar 2018 20:20:16 +0000 (UTC) (envelope-from lists@opsec.eu) Received: from pi by home.opsec.eu with local (Exim 4.89 (FreeBSD)) (envelope-from ) id 1etJ4L-0000au-OM; Tue, 06 Mar 2018 21:20:17 +0100 Date: Tue, 6 Mar 2018 21:20:17 +0100 From: Kurt Jaeger To: "Matthew D. Fuller" Cc: freebsd-current@FreeBSD.org Subject: Re: Strange ARC/Swap/CPU on yesterday's -CURRENT Message-ID: <20180306202017.GB21001@home.opsec.eu> References: <20180305203918.jydrv7oelnh7sxp2@ler-imac.lerctr.org> <20180306181054.GA42539@over-yonder.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180306181054.GA42539@over-yonder.net> X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Mar 2018 20:20:17 -0000 Hi! > > Yesterday, and I'm seeing really strange slowness, ARC use, and SWAP > > use and swapping. I've seen it on 12, @r328899. > > Ideas? [...] > Hard-slappping vfs.zfs.arc_max down a ways mitigated it enough to get > me through the days, but is a pretty gross hackaround... That's what I did as well. -- pi@opsec.eu +49 171 3101372 2 years to go !