From owner-freebsd-stable@freebsd.org Wed Jul 22 05:29:37 2020 Return-Path: Delivered-To: freebsd-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id F40D2372278 for ; Wed, 22 Jul 2020 05:29:36 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [IPv6:2a01:4f8:c2c:26d8::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BBPCz5Hphz3RwG for ; Wed, 22 Jul 2020 05:29:35 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13:0:0:0:5]) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id 06M5TAie026213 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 22 Jul 2020 05:29:12 GMT (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: mike@sentex.net Received: from [10.58.0.10] (dadvw [10.58.0.10]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id 06M5TCV7049576 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Wed, 22 Jul 2020 12:29:13 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: zfs meta data slowness To: mike tancsa , Ronald Klop , FreeBSD-STABLE Mailing List References: <1949194763.1.1595250243575@localhost> <975657af-ccac-bbd1-e22b-86270c624226@sentex.net> From: Eugene Grosbein Message-ID: <9ddce60a-9d91-fa69-0e11-54342cb67890@grosbein.net> Date: Wed, 22 Jul 2020 12:29:04 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <975657af-ccac-bbd1-e22b-86270c624226@sentex.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record * -0.0 SPF_PASS SPF: sender matches SPF record * 2.6 LOCAL_FROM From my domains * -0.0 NICE_REPLY_A Looks like a legit reply (A) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on hz.grosbein.net X-Rspamd-Queue-Id: 4BBPCz5Hphz3RwG X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=permerror (mx1.freebsd.org: domain of eugen@grosbein.net uses mechanism not recognized by this client) smtp.mailfrom=eugen@grosbein.net X-Spamd-Result: default: False [-1.24 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.78)[-0.778]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_SPAM_SHORT(0.50)[0.496]; NEURAL_HAM_LONG(-0.85)[-0.855]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[grosbein.net]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; R_SPF_PERMFAIL(0.00)[empty SPF record]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Jul 2020 05:29:37 -0000 22.07.2020 2:37, mike tancsa wrote: >> Something else special about the setup. >> output of "top -b" >> > > ports are right now being built in a VM, but the problem (zrepl hanging) > and zfs list -t snapshots taking forever happens regardless > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU > COMMAND > 4439 root 12 40 20 6167M 5762M kqread 3 535:13 200.00% bhyve > 98783 root 2 21 0 16M 5136K hdr->b 4 0:01 1.95% zfs > 76489 root 21 23 0 738M 54M uwait 1 2:18 0.88% zrepl > 98784 root 1 21 0 13M 3832K piperd 3 0:01 0.59% zfs > 99563 root 1 20 0 13M 4136K zio->i 4 0:00 0.39% zfs You need top -SHPI