Date: Wed, 01 Aug 2018 14:48:12 +0800 From: "Audio Interface" <cartizan@edm.icartizan.email> To: freebsd-stable@freebsd.org Subject: Digital Music Changer with Competitive Price is Here Message-ID: <S7Y1.J9ra2hi_b.I1sjC2Njc4n_OrQUAA64@edm.icartizan.email>
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Wed, 1 Aug 2018 07:12:15 +0000 (UTC) (envelope-from Mark.Martinec+freebsd@ijs.si) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 068AC859D4 for <freebsd-stable@freebsd.org>; Wed, 1 Aug 2018 07:12:15 +0000 (UTC) (envelope-from Mark.Martinec+freebsd@ijs.si) Received: by mailman.ysv.freebsd.org (Postfix) id BED461057B74; Wed, 1 Aug 2018 07:12:14 +0000 (UTC) Delivered-To: stable@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 9C7CC1057B73 for <stable@mailman.ysv.freebsd.org>; Wed, 1 Aug 2018 07:12:14 +0000 (UTC) (envelope-from Mark.Martinec+freebsd@ijs.si) Received: from mail.ijs.si (mail.ijs.si [IPv6:2001:1470:ff80::25]) (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 2D0B5859D3 for <stable@freebsd.org>; 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Wed, 1 Aug 2018 09:12:07 +0200 (CEST) Received: from nabiralnik.ijs.si (nabiralnik.ijs.si [IPv6:2001:1470:ff80::80:16]) by mildred.ijs.si (Postfix) with ESMTP id 41gPd33Wvbz12c for <stable@freebsd.org>; Wed, 1 Aug 2018 09:12:07 +0200 (CEST) Received: from sleepy.ijs.si (2001:1470:ff80:e001::76) by webmail.ijs.si with HTTP (HTTP/1.1 POST); Wed, 01 Aug 2018 09:12:07 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 01 Aug 2018 09:12:07 +0200 From: Mark Martinec <Mark.Martinec+freebsd@ijs.si> To: stable@freebsd.org Subject: Re: All the memory eaten away by ZFS 'solaris' malloc - on 11.1-R amd64 Organization: Jozef Stefan Institute In-Reply-To: <20180731220948.GA97237@raichu> References: <1a039af7758679ba1085934b4fb81b57@ijs.si> <3e56e4de076111c04c2595068ba71eec@ijs.si> <20180731220948.GA97237@raichu> Message-ID: <2ec91ebeaba54fda5e9437f868d4d590@ijs.si> X-Sender: Mark.Martinec+freebsd@ijs.si User-Agent: Roundcube Webmail/1.3.1 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-stable>, <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>; List-Post: <mailto:freebsd-stable@freebsd.org> List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-stable>, <mailto:freebsd-stable-request@freebsd.org?subject=subscribe> X-List-Received-Date: Wed, 01 Aug 2018 07:12:15 -0000 > On Tue, Jul 31, 2018 at 11:54:29PM +0200, Mark Martinec wrote: >> I have now upgraded this host from 11.1-RELEASE-p11 to 11.2-RELEASE >> and the situation has not improved. Also turned off all services. >> ZFS is still leaking memory about 30 MB per hour, until the host >> runs out of memory and swap space and crashes, unless I reboot it >> first every four days. >> >> Any advise before I try to get rid of that faulted disk with a pool >> (or downgrade to 10.3, which was stable) ? 2018-08-01 00:09, Mark Johnston wrote: > If you're able to use dtrace, it would be useful to try tracking > allocations with the solaris tag: > > # dtrace -n 'dtmalloc::solaris:malloc {@allocs[stack(), args[3]] = > count()} dtmalloc::solaris:free {@frees[stack(), args[3]] = > count();}' > > Try letting that run for one minute, then kill it and paste the output. > Ideally the host will be as close to idle as possible while still > demonstrating the leak. Good and bad news: The suggested dtrace command bails out: # dtrace -n 'dtmalloc::solaris:malloc {@allocs[stack(), args[3]] = count()} dtmalloc::solaris:free {@frees[stack(), args[3]] = count();}' dtrace: description 'dtmalloc::solaris:malloc ' matched 2 probes Assertion failed: (buf->dtbd_timestamp >= first_timestamp), file /usr/src/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c, line 3330. Abort trap But I did get one step further, localizing the culprit. I realized that the "solaris" malloc count goes up in sync with the 'telegraf' monitoring service polls, which also has a ZFS plugin which monitors the zfs pool and ARC. This plugin runs 'zpool list -Hp' periodically. So after stopping telegraf (and other remaining services), the 'vmstat -m' shows that InUse count for "solaris" goes up by 552 every time that I run "zpool list -Hp" : # (while true; do zpool list -Hp >/dev/null; vmstat -m | \ fgrep solaris; sleep 1; done) | awk '{print $2-a; a=$2}' 6664427 541 552 552 552 552 552 552 552 552 556 548 552 552 552 552 552 552 552 552 552 # zpool list -Hp floki 68719476736 37354102272 31365374464 - - 49% 54 1.00x ONLINE - stuff - - - - - - - - UNAVAIL - Mark
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