From nobody Thu Dec 21 20:24:37 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 4Sx23S1wWwz54DDR for ; Thu, 21 Dec 2023 20:24:52 +0000 (UTC) (envelope-from bakul@iitbombay.org) Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Sx23S07Xnz4KK9 for ; Thu, 21 Dec 2023 20:24:51 +0000 (UTC) (envelope-from bakul@iitbombay.org) Authentication-Results: mx1.freebsd.org; none Received: by mail-pl1-x62a.google.com with SMTP id d9443c01a7336-1d3f2985425so7708955ad.3 for ; Thu, 21 Dec 2023 12:24:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iitbombay-org.20230601.gappssmtp.com; s=20230601; t=1703190290; x=1703795090; darn=freebsd.org; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=mBph6f3m0/UhhP0lxeZ+loiBeFx9c4Yid7L+tO9MshM=; b=UBAqX8/nJJRWL/xXcYNlJmAl1ZlTdajA9VZz4GeBbSoJ/kKfgPs/zRvqfegc9Wz/ru fVwJua5jLNNvdukNOxxk5C/zp7l5qH8tjLoFbG4aL77uOA4fd+dV00DtgTFb/RmosGV1 WbhVQ+ouyP99w6y4RkQuXtbLWYkR/1cKjtTTy9Q0Z0hiS/QBaZZf3/Wser3P4LLCnmPU 6SQVRLGi9FlJvCkcnfR2Jk5PRxgfB6gze1k4KtXCJ5RFE2dOyOEe+sCk+z20V7p2uD8X rc4FRqlPBHM7NbtuvTxNK64cWY/CRsV9MkatSPNzVtyNVnJ6LaAAUR9kKvWWWk0dcQ4R xpbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703190290; x=1703795090; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mBph6f3m0/UhhP0lxeZ+loiBeFx9c4Yid7L+tO9MshM=; b=slx5RDFR4fR39hSrvT1BcNV/RT+Uo0S8PVUAB3MhwydNm01gR3V472DnSL5yMsmrQ5 eKMvOokigvBhMrGwAPYq57NTxmU7jMKNYJCSCfbSwu4V62oTKlJmrze4nnV3QJ+P/Nlv 2/S4mbthHMIY/3/BU0p88P1c+zyIFb9njzk/SA81bTiUGiHbev8QKEjAfGzTGlXJt2s0 DnceIwiqFQSCE3hR259GZuUOegwXyQwukJV+t8BmdtBdsQJL7goEk74jzCvTDct3S1fU S5FWOhOacNkP6lWFArf3GqSz+0upRchMK4xW5NRqnUVcBMkpZ5/w5FyapyRdj7PxDnvB Hs/A== X-Gm-Message-State: AOJu0YyWxqs+cF/VnsGmKkXHFnBllvzmvV/a0u5Wqm1gSKeMW5C4q2/u furB3XVMlpq0Ab709yaRtn4/encxhiML X-Google-Smtp-Source: AGHT+IEfODcR2UTrcXoWlgST+Vdd9sZjofJ8gN4uIAnN9e22qEGhPjIwDDxnd6EL9gohJMBhuSxuEQ== X-Received: by 2002:a17:902:d507:b0:1d0:6ffd:836a with SMTP id b7-20020a170902d50700b001d06ffd836amr187362plg.117.1703190289660; Thu, 21 Dec 2023 12:24:49 -0800 (PST) Received: from smtpclient.apple (107-215-223-229.lightspeed.sntcca.sbcglobal.net. [107.215.223.229]) by smtp.gmail.com with ESMTPSA id a10-20020a1709027d8a00b001d38ca8cbc2sm2042539plm.156.2023.12.21.12.24.48 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Dec 2023 12:24:48 -0800 (PST) Content-Type: text/plain; charset=utf-8 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 (Mac OS X Mail 16.0 \(3774.300.61.1.2\)) Subject: Re: measuring swap partition speed From: Bakul Shah In-Reply-To: Date: Thu, 21 Dec 2023 12:24:37 -0800 Cc: freebsd-fs@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <6B1D921F-0640-49F0-9DFB-07B65C056F6A@iitbombay.org> References: To: void X-Mailer: Apple Mail (2.3774.300.61.1.2) X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Spamd-Bar: ---- X-Rspamd-Queue-Id: 4Sx23S07Xnz4KK9 On Dec 21, 2023, at 7:50=E2=80=AFAM, void wrote: >=20 > # dd if=3D/dev/urandom of=3D/dev/da0p4 bs=3D8k count=3D250000 = conv=3Dsync status=3Dprogress > ^C11862016 bytes (12 MB, 11 MiB) transferred 40.063s, 296 kB/s Is this on a pi4? Could it be that you have connected your USB disk to a USB2 port? Use one of the middle USB3 ports. Another possibility is your disk's USB port is a USB2.