Re: 4 MB Suns with OS version 4.0

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Article #11298

#11298

From: Wayne Hathaway
Date: Mon, 06 Mar 1989 00:11

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Relative to Charles Hedrick's observation on paging being different under
SunOS 4.0, I understand that one of the changes that was made was to go to
a more "global" page replacement strategy, instead of treating program
areas and disk cache and so forth as separate "local" paging areas.  The
end result is that single applications can definitely take over more of
the machine, causing more things to be paged out (and subsequently back
in).  Apparently this is even regarded within Sun as a somewhat suspect
"optimization."

  Wayne Hathaway            
  Ultra Network Technologies     domain: wayne@Ultra.COM
  101 Daggett Drive            Internet: ultra!wayne@Ames.ARC.NASA.GOV
  San Jose, CA 95134               uucp: ...!ames!ultra!wayne
  408-922-0100

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: ultra!wayne@ames.arc.nasa.gov (Wayne Hathaway)
Newsgroups: comp.sys.sun
Subject: Re: 4 MB Suns with OS version 4.0
Keywords: SunOS
Message-ID: <8902232124.AA02261@lear.ultra.com>
Date: 6 Mar 89 00:11:56 GMT
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Organization: Sun-Spots
Lines: 14
Approved: Sun-Spots@rice.edu
Original-Date: Thu, 23 Feb 89 13:24:01 PST
X-Sun-Spots-Digest: Volume 7, Issue 182, message 6 of 17