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Thu, 21 Dec 2023 18:50:35 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-1364-ga51d5fd3b7-fm-20231219.001-ga51d5fd3 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: In-Reply-To: <6B1D921F-0640-49F0-9DFB-07B65C056F6A@iitbombay.org> References: <6B1D921F-0640-49F0-9DFB-07B65C056F6A@iitbombay.org> Date: Thu, 21 Dec 2023 23:50:15 +0000 From: void To: freebsd-fs Subject: Re: measuring swap partition speed Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-4.19 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm2,messagingengine.com:s=fm2]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.28]; RWL_MAILSPIKE_GOOD(-0.10)[66.111.4.28:from]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.28:from]; XM_UA_NO_VERSION(0.01)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; ASN(0.00)[asn:19151, ipnet:66.111.4.0/24, country:US]; TO_DN_ALL(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[f-m.fm]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MLMMJ_DEST(0.00)[freebsd-fs@freebsd.org] X-Rspamd-Queue-Id: 4Sx6cr6hz0z4cgZ X-Spamd-Bar: ---- On Thu, 21 Dec 2023, at 20:24, Bakul Shah wrote: > 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=3D= sync 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. Yes it's a pi4, disk is on usb3 and it's what I guess would be called a = default=20 usb3 interface (in other words, the connector is usb3) --=20