From nobody Tue Oct 17 22:33:27 2023 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 4S98012XXDz4x6v5 for ; Tue, 17 Oct 2023 22:33:37 +0000 (UTC) (envelope-from void@f-m.fm) Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4S97zz3dMcz3fdJ for ; Tue, 17 Oct 2023 22:33:35 +0000 (UTC) (envelope-from void@f-m.fm) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=f-m.fm header.s=fm3 header.b=bCJ1Crdi; dkim=pass header.d=messagingengine.com header.s=fm3 header.b=IsiXg+tt; spf=pass (mx1.freebsd.org: domain of void@f-m.fm designates 64.147.123.25 as permitted sender) smtp.mailfrom=void@f-m.fm; dmarc=pass (policy=none) header.from=f-m.fm Received: from compute7.internal (compute7.nyi.internal [10.202.2.48]) by mailout.west.internal (Postfix) with ESMTP id 20F343200A62 for ; Tue, 17 Oct 2023 18:33:31 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute7.internal (MEProxy); Tue, 17 Oct 2023 18:33:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=f-m.fm; h=cc :content-type:content-type:date:date:from:from:in-reply-to :message-id:mime-version:reply-to:sender:subject:subject:to:to; s=fm3; t=1697582010; x=1697668410; bh=tGfQrheNnWTcwQoYK/I1wAVmk EBcObLhO0kyp4HPGBU=; b=bCJ1Crdi6ANzSfxx/wMNN9yYQNwhRyfu/oRS2YpK1 FsoRdn4pwK0+69XEQ0cceKCSYSYuA1gNtSBvbEkmJ6LUKzyup4CTZitO0al2Fj2L vYYMiFjEZwDQPJU1QgSTSqJN4tnBKSKplXLDHJgLeJvonzC2sxDOJtEe2D6ILfrW j6RetQJZBWp0vWOgzAqfh7XPRYxK5r6gVMojmuY2JnUw1cQLidUnByoA1ERedtrd ZJkANP0MiEpBs92jgfUBNGEZUR+Y6jq2ziw00clbkIK0IAI7McIus8i6EPCfA0Sj JfkSEmHyXqy/QOh0yGAe/IexUFMdOlOka0hrrAeB0i0Kg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:message-id :mime-version:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t= 1697582010; x=1697668410; bh=tGfQrheNnWTcwQoYK/I1wAVmkEBcObLhO0k yp4HPGBU=; b=IsiXg+tt+dgziGQrEvms1q2iR30EXH6h2H6vv8akikkfBgo08OC ahX11qpkb22Wi0wEnrGWpr1Fp4FjP5CbALbTQ6iu+af/i+tb9NU+tIpk5NPcswix +pYsekQW635nnTTkR58CGxbwfY6xK5NdLIU6Lq04nFui+PyKGxhtJBdcIuWffEWN AXT1DgXjIAAJuywKhqaEWS3SRG7jvhfZq2VKfRte1lFHamXsN+ADtc1fMCmfuJZx bNlS/GI8jYZtryxVQ6gIR0DdYMtVjOJxS9i/Taqlio4qhfHF1WQavfsRjoYj3ZiW ejpTNpic+9JDoJ2YVrPXKOGDw2Xzxd4o6xQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvkedrjeefgddutdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepfffhvffukfggtggusehttdertddttd dvnecuhfhrohhmpehvohhiugcuoehvohhiugesfhdqmhdrfhhmqeenucggtffrrghtthgv rhhnpeevudffiedvffffgffhgeefjeefffdtieetheetkeefhfdvfefgtedtueehgeffue enucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehvohhi ugesfhdqmhdrfhhm X-ME-Proxy: Feedback-ID: i2541463c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA for ; Tue, 17 Oct 2023 18:33:30 -0400 (EDT) Date: Tue, 17 Oct 2023 23:33:27 +0100 From: void To: freebsd-fs@freebsd.org Subject: performance impact of various compression schemes on a zvol Message-ID: Mail-Followup-To: freebsd-fs@freebsd.org 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 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.55 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; DWL_DNSWL_LOW(-1.00)[messagingengine.com:dkim]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.95)[-0.953]; MID_RHS_NOT_FQDN(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm3,messagingengine.com:s=fm3]; R_SPF_ALLOW(-0.20)[+ip4:64.147.123.25]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[64.147.123.25:from]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; RCPT_COUNT_ONE(0.00)[1]; BLOCKLISTDE_FAIL(0.00)[64.147.123.25:server fail]; FREEMAIL_FROM(0.00)[f-m.fm]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:29838, ipnet:64.147.123.0/24, country:US]; FROM_HAS_DN(0.00)[]; MLMMJ_DEST(0.00)[freebsd-fs@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 4S97zz3dMcz3fdJ What's the perfomance penalty on zvols of compression? The impact on the host? I've searched and cannot find figures. I'm not looking for exact numbers, more rather would zstd-9 or zstd-6 be better, more suited to zvol (compression and speed) than lz4, possibly because it's more recent? Or would no compression at all be 'best'? In the example, cpu is E5-2690, ram is 512GB, disks are ssd (these register as nda0 and nda1, as a zpool striped config) The zvols are bhyve instances. The host is recent -current. TIA for any tips. --