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From: tfb@tfeb.org (Tim Bradshaw)
Subject: [TUHS] The evolution of Unix facilities and architecture
Date: Fri, 12 May 2017 16:11:23 +0100	[thread overview]
Message-ID: <276AEA9A-1584-4D52-AEA1-18725991D93E@tfeb.org> (raw)
In-Reply-To: <20170512143047.GV4341@mcvoy.com>

On 12 May 2017, at 15:30, Larry McVoy <lm at mcvoy.com> wrote:
> 
> Wait, someone added logging to UFS?

Oh, yes.  I forget when it came in (Solaris 2.5?).  It's been the default (ie you need to turn it off in vfstab rather than turn it on) for some time, perhaps since Solaris 9?

> 
> Yep, someone did.  I'd like to know who.  I found this:
> 
> http://www.oracle.com/technetwork/systems/linux/fs-performance-149840.pdf
> 
> Can anyone confirm those results?

I can't confirm them, but I can confirm that a lot of rubbish has been talked about filesystem performance by people with various agendas.  I had an argument (well over 10 years ago now) with someone who claimed that ext2 (I guess, might have been ext3 by then) was just way faster than UFS for various operations (lots of file creattion/deletion I think).  It was ... if you left logging off.  If you turned logging on, not so much.

--tim


  reply	other threads:[~2017-05-12 15:11 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-11 14:07 Noel Chiappa
2017-05-11 14:21 ` Larry McVoy
2017-05-11 16:17   ` Clem Cole
2017-05-11 17:11     ` Michael Kjörling
2017-05-11 21:44       ` Dave Horsfall
2017-05-11 22:06         ` Warner Losh
2017-05-12  6:24         ` Hellwig Geisse
2017-05-12 21:12           ` Dave Horsfall
2017-05-12 23:25             ` Hellwig Geisse
2017-05-11 16:15 ` Clem Cole
2017-05-11 16:52   ` Warner Losh
2017-05-11 17:12     ` Clem Cole
2017-05-11 20:37       ` Ron Natalie
2017-05-11 22:25         ` Larry McVoy
2017-05-11 22:30           ` Ron Natalie
2017-05-11 23:47           ` Dave Horsfall
2017-05-11 23:48             ` Ron Natalie
2017-05-12  0:21               ` Larry McVoy
2017-05-12  2:42                 ` Warner Losh
2017-05-12  0:16             ` Larry McVoy
2017-05-12  1:41               ` Wesley Parish
2017-05-12  1:05             ` Toby Thain
2017-05-12  8:17               ` Michael Kjörling
2017-05-12 13:56                 ` Tim Bradshaw
2017-05-12 14:22                   ` Michael Kjörling
2017-05-12 14:30                   ` Larry McVoy
2017-05-12 15:11                     ` Tim Bradshaw [this message]
2017-05-12 15:52                     ` Chet Ramey
2017-05-12 16:21                       ` Warner Losh
2017-05-12  8:15             ` Harald Arnesen
2017-05-14  4:30           ` Theodore Ts'o
2017-05-14 17:40             ` Clem Cole
     [not found] <mailman.1.1494986402.2329.tuhs@minnie.tuhs.org>
2017-05-19 14:31 ` David
  -- strict thread matches above, loose matches on Subject: below --
2017-05-16 13:20 Noel Chiappa
2017-05-16 13:46 ` Clem Cole
2017-05-14 21:44 Noel Chiappa
2017-05-13  1:25 Noel Chiappa
2017-05-13  0:44 Noel Chiappa
2017-05-13  0:51 ` Random832
2017-05-13  0:55   ` Dave Horsfall
2017-05-13  1:17   ` Chris Torek
2017-05-13 15:25   ` Steve Simon
2017-05-13 16:55     ` Clem Cole
2017-05-13 17:19       ` William Pechter
2017-05-14 12:55         ` Derek Fawcus
2017-05-14 22:12           ` Dave Horsfall
2017-05-15  1:24             ` Nemo
2017-05-15 18:00               ` Steve Johnson
2017-05-16 22:33                 ` Ron Natalie
2017-05-16 23:13                   ` Arthur Krewat
2017-05-16 23:18                     ` Ron Natalie
2017-05-13 23:01     ` Dave Horsfall
2017-05-12 23:30 Noel Chiappa
2017-05-12 23:38 ` Dave Horsfall
2017-05-12 23:52   ` Random832
2017-05-13  0:26     ` Dave Horsfall
2017-05-13  0:48       ` Random832
2017-05-13  0:22 ` Clem Cole
2017-05-13  0:23   ` Clem Cole
2017-05-12 18:43 Doug McIlroy
2017-05-12 18:56 ` Dan Cross
2017-05-12 19:43   ` Clem Cole
2017-05-12 20:06     ` Clem Cole
2017-05-12 20:40       ` Jeremy C. Reed
2017-05-12 21:29         ` Clem Cole
2017-05-12 21:29   ` Ron Natalie
2017-05-12 15:12 Noel Chiappa
2017-05-12 15:17 ` Clem Cole
2017-05-12 15:18   ` Clem Cole
2017-05-12 15:46     ` Clem Cole
2017-05-11 17:08 Noel Chiappa
2017-05-11 21:34 ` Dave Horsfall
2017-05-10 14:08 Diomidis Spinellis
2017-05-10 14:38 ` Steffen Nurpmeso
2017-05-10 23:09   ` Erik Berls
2017-05-11 12:40     ` Steffen Nurpmeso
2017-05-11  0:49 ` Clem Cole

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