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Re: [opensuse] howto test swap? [was RAM]
  • From: Bill Anderson <bill@xxxxxxxxxxxxxxxxx>
  • Date: Thu, 20 Sep 2007 09:53:25 -0600
  • Message-id: <46F29775.5040005@xxxxxxxxxxxxxxxxx>
Carlos E. R. wrote:
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The Thursday 2007-09-20 at 07:08 -0600, Bill Anderson wrote:

you will see the virtual size and the resident size. As for swap space, the
kernel only needs to send the anonymous memory pages of an application to swap
space, the text (code) can be retrieved from the disk file for the
application.

Which is probably slower than just using swap for all (instead of seeking all around the disk).

- -- Cheers,
       Carlos E. R.

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This paging concept has been around for awhile. Even Unix has doesn't page text to swap, as the writes are just too expensive. With a good elevator algorithm the cost of seeks is minimal.

Bill Anderson
WW7BA
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