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Groups > linux.debian.user > #202196

Re: Recommendation on partition sizes

From Michael Stone <mstone@debian.org>
Newsgroups linux.debian.user
Subject Re: Recommendation on partition sizes
Date 2018-11-06 16:20 +0100
Message-ID <wRbj4-392-17@gated-at.bofh.it> (permalink)
References (4 earlier) <wQtrH-Zf-3@gated-at.bofh.it> <wQwIV-2NQ-1@gated-at.bofh.it> <wQz45-5q6-9@gated-at.bofh.it> <wQIAq-2NF-11@gated-at.bofh.it> <wRadk-2x2-7@gated-at.bofh.it>
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On Tue, Nov 06, 2018 at 09:09:16AM -0500, Stefan Monnier wrote:
>> I was reading about swap recently and fell upon (like a sword) this
>> remark from 2005 from Andrew Morton:
>>
>>   Create the swapfile when the filesystem is young and empty, it'll be
>>   nice and contiguous.  Once created the kernel will never add or
>>   remove blocks.
>
>He's talking about swap *files*: space in file systems tends to fragment.

It's pretty unusal for a typical filesystem to be so fragmented these 
days that a new swapfile would have issues, unless the filesystem is 
really full. (All of the current major fs's use extent-based allocation 
and will write a file in a single contiguous block if possible.) So 
overall I'd consider this an issue of mostly historical interest.

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Thread

Recommendation on partition sizes D&P Dimov <lddimov@yahoo.com> - 2018-11-04 04:30 +0100
  Re: Recommendation on partition sizes Andy Smith <andy@strugglers.net> - 2018-11-04 05:50 +0100
    Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-04 10:30 +0100
      Re: Recommendation on partition sizes Andy Smith <andy@strugglers.net> - 2018-11-04 14:00 +0100
        Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-04 14:40 +0100
          Re: Recommendation on partition sizes Andy Smith <andy@strugglers.net> - 2018-11-04 14:50 +0100
            Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-04 16:00 +0100
      Re: Recommendation on partition sizes Rick Thomas <rbthomas@pobox.com> - 2018-11-05 09:20 +0100
        Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-05 19:50 +0100
    Re: Recommendation on partition sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2018-11-04 16:50 +0100
      Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-04 17:30 +0100
        Re: Recommendation on partition sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2018-11-04 21:00 +0100
          Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-04 23:30 +0100
            Re: Recommendation on partition sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2018-11-05 00:20 +0100
              Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-05 20:20 +0100
            Re: Recommendation on partition sizes Curt <curty@free.fr> - 2018-11-05 09:40 +0100
              Re: Recommendation on partition sizes Michael Stone <mstone@debian.org> - 2018-11-05 16:20 +0100
              Re: Recommendation on partition sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2018-11-06 15:10 +0100
                Re: Recommendation on partition sizes Michael Stone <mstone@debian.org> - 2018-11-06 16:20 +0100
      Re: Recommendation on partition sizes Michael Stone <mstone@debian.org> - 2018-11-04 17:40 +0100
  Re: Recommendation on partition sizes David Christensen <dpchrist@holgerdanske.com> - 2018-11-04 08:40 +0100
    Re: Recommendation on partition sizes Michael Stone <mstone@debian.org> - 2018-11-04 15:10 +0100
  Re: Recommendation on partition sizes Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-11-04 10:30 +0100

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