Date: Tue, 5 Jan 2016 10:45:27 +0000 From: Matt Churchyard <matt.churchyard@userve.net> To: "Mikhail T." <mi+thun@aldan.algebra.com>, Bruce Evans <brde@optusnet.com.au> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: RE: NFS reads vs. writes Message-ID: <c1ab44c1859a422e8941c5ac09cea35f@SERVER.ad.usd-group.com> In-Reply-To: <568B574A.7010603@aldan.algebra.com> References: <8291bb85-bd01-4c8c-80f7-2adcf9947366@email.android.com> <5688D3C1.90301@aldan.algebra.com> <495055121.147587416.1451871433217.JavaMail.zimbra@uoguelph.ca> <568A047B.1010000@aldan.algebra.com> <CAGtEZUD28UZDYyHtHtzXgys%2Brpv_37u4fotwR%2BqZLc1%2BtK0dwA@mail.gmail.com> <20160105143542.X1191@besplex.bde.org> <568B574A.7010603@aldan.algebra.com>
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>On 05.01.2016 00:19, Bruce Evans wrote: >>>> It is a chunk of an older SSD, that also houses the OS. But it is=20 >>>> usually idle, because executables and libraries are cached in the=20 >>>> abundant RAM. I've seen it do 90+Mb/s (sequential)... >> >> Please be more careful with units (but don't use MiB's; I should=20 >> killfile that). 90 Mbits/s is still slow. >Mb is megabyte in my book. This is the unit used by `systat -vm', which I = mentioned earlier. 90 megabytes/s is still not at the limit of Gigabit >Eth= ernet, however, but it is a lot closer to it. You have a different book to most then. I've always understood 'b' to mean bits, and 'B' to mean bytes. While every= one on here will understand what you were trying to say in context, given p= urely that number, I would expect most people to interpret it as 90+Mb/s = =3D ~11+MB/s. That is not what you meant, hence why Bruce said be careful w= ith the units. I just had a quick look in 'systat -vm' and it seems to use a capital B eve= rywhere from what I can see. Matt >Yours, > -mi
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