From nobody Sun Oct 16 22:02:39 2022 X-Original-To: freebsd-fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4MrDdd6HDlz4gBlN for ; Sun, 16 Oct 2022 22:03:01 +0000 (UTC) (envelope-from void@f-m.fm) Received: from wout3-smtp.messagingengine.com (wout3-smtp.messagingengine.com [64.147.123.19]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4MrDdd1rdVz3WST for ; Sun, 16 Oct 2022 22:03:01 +0000 (UTC) (envelope-from void@f-m.fm) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id 20395320016F for ; Sun, 16 Oct 2022 18:03:00 -0400 (EDT) Received: from imap46 ([10.202.2.96]) by compute3.internal (MEProxy); Sun, 16 Oct 2022 18:03:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; 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Sun, 16 Oct 2022 18:02:59 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-1047-g9e4af4ada4-fm-20221005.001-g9e4af4ad List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@freebsd.org Mime-Version: 1.0 Message-Id: <76faacf1-6307-47af-adb6-200486d63137@app.fastmail.com> In-Reply-To: References: Date: Sun, 16 Oct 2022 22:02:39 +0000 From: void To: freebsd-fs Subject: Re: zfs with operations like rm -rf takes a very long time recently Content-Type: text/plain X-Rspamd-Queue-Id: 4MrDdd1rdVz3WST X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=f-m.fm header.s=fm3 header.b=ZMYWV7kD; dkim=pass header.d=messagingengine.com header.s=fm3 header.b=DEMTEHke; dmarc=pass (policy=none) header.from=f-m.fm; spf=pass (mx1.freebsd.org: domain of void@f-m.fm designates 64.147.123.19 as permitted sender) smtp.mailfrom=void@f-m.fm X-Spamd-Result: default: False [-4.50 / 15.00]; DWL_DNSWL_LOW(-1.00)[messagingengine.com:dkim]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.91)[-0.908]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip4:64.147.123.19:c]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm3,messagingengine.com:s=fm3]; RCVD_IN_DNSWL_LOW(-0.10)[64.147.123.19:from]; MIME_GOOD(-0.10)[text/plain]; XM_UA_NO_VERSION(0.01)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; ARC_NA(0.00)[]; ASN(0.00)[asn:29838, ipnet:64.147.123.0/24, country:US]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; RCVD_COUNT_THREE(0.00)[4]; FREEMAIL_FROM(0.00)[f-m.fm]; RCVD_TLS_LAST(0.00)[]; TO_DN_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; MIME_TRACE(0.00)[0:+]; MLMMJ_DEST(0.00)[freebsd-fs@freebsd.org] X-ThisMailContainsUnwantedMimeParts: N On Sun, 16 Oct 2022, at 19:55, Mateusz Guzik wrote: > Just in case, can you test with this: sysctl > vfs.zfs.per_txg_dirty_frees_percent=5 > > As in, can you repeat the test multiple times, flipping > vfs.zfs.per_txg_dirty_frees_percent between 5 and 30. After setting this and starting the rm -rf, it completed!!! before I had time to set up the other tests :D Maybe this'll solve the problem? thanks,