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From: <pcg@goof.com ( Marc) (A.) (Lehmann )>
To: linux-kernel@vger.kernel.org
Subject: Re: I/O very slow under 2.4 (device reading)
Date: Thu, 9 Aug 2001 04:34:31 +0200	[thread overview]
Message-ID: <20010809043431.C2456@cerebro.laendle> (raw)

On Wed, Aug 08, 2001 at 11:12:45AM -0700, Linus Torvalds <torvalds@transmeta.com> wrote:
> and the VM disagree about how/when to allocate memory. It's fixed by the patch
> I'll make a real pre-patch (2.4.8-pre7) with the full changeset, can you

after 10 gigs of reading:

   procs                      memory    swap          io     system         cpu
 r  b  w   swpd   free   buff  cache  si  so    bi    bo   in    cs  us  sy  id
 0  1  0      0   6828 372696  36340   0   0 48292     6  726  2188   0  25  75
 0  1  0      0   6880 370536  39352   0   0 33792     0  726  3725   1  37  62
 1  0  1      0   6880 370160  36340   0   0 25652    48  411  3374   1  82  17
 0  1  0      0   6628 370780  36288   0   0 44788     0  690  2071   1  31  68
 1  0  1      0   6832 372972  36264   0   0 41988     0  674  2933   0  42  57

the system still feels a bit sluggishly, but otherwise NO SIGN of that
problem (no io slowdown, no short freezes). just the usual "disks are
in-use" contentions.

cool ,)

> at a nice stable 21MB/s which is all my disk can deliver. 

you _should_ know that raw speed doesn't mean too much.

> [ Damn, maybe I should get one of those nice big 7200 rpm IBM drives ]

maybe noisier. and for some reason (I swear for ibm drives usually), they
keep getting uncorrectable media errors on all of my machines.. ;) still
they are the best ones available ;)

-- 
      -----==-                                             |
      ----==-- _                                           |
      ---==---(_)__  __ ____  __       Marc Lehmann      +--
      --==---/ / _ \/ // /\ \/ /       pcg@goof.com      |e|
      -=====/_/_//_/\_,_/ /_/\_\       XX11-RIPE         --+
    The choice of a GNU generation                       |
                                                         |

             reply	other threads:[~2001-08-09  2:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-09  2:34 Lehmann  [this message]
  -- strict thread matches above, loose matches on Subject: below --
2001-08-08 17:31 Lehmann 
2001-08-08 18:12 ` Linus Torvalds

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