[Bug 1032322] Re: Swap space allocation for large memory systems needs improvement

Steve Langasek steve.langasek at canonical.com
Fri Sep 14 14:22:09 UTC 2012


** Tags added: rls-q-tracking

** Tags removed: rls-q-tracking
** Tags added: rls-q-notfixing

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to partman-auto in Ubuntu.
https://bugs.launchpad.net/bugs/1032322

Title:
  Swap space allocation for large memory systems needs improvement

Status in “partman-auto” package in Ubuntu:
  Confirmed
Status in “partman-auto” source package in Precise:
  Confirmed
Status in “partman-auto” source package in Quantal:
  Confirmed

Bug description:
  The recipe used for automatic swap space allocation during install
  this is:

  100% 512 200% linux-swap
          $lvmok{ }
          $reusemethod{ }
          method{ swap }
          format{ } .

  Where we currently allocate a minimum of 100% of swap (maximum 200%).
  The original justification for this is that you need 100% of your
  memory to guarantee hibernate works (bug #311299).    However, for
  servers, we don't hibernate and often have large amounts of memory
  installed, i.e. 100's of GB or even TBs, and such a method wastes a
  lot of disk space.

  I propose we do at least 100% (probably a bit more) for machines up to
  a certain level of memory (4GB or less.../maybe/ up to 8GB), to ensure
  client machines can hibernate.  However after that, we set some sort
  of sliding scale approach that maxes out at a reasonable amount for
  servers.  Experienced users can always override the settings if they
  want.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/partman-auto/+bug/1032322/+subscriptions




More information about the foundations-bugs mailing list