Mailinglist Archive: opensuse (818 mails)

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Re: [opensuse] Reiserfs (was ext4 vs btrfs)
  • From: Greg Freemyer <greg.freemyer@xxxxxxxxx>
  • Date: Wed, 18 Jul 2012 17:32:12 -0400
  • Message-id: <CAGpXXZL0C64_p2bWPt191U7kVNnmPn8=kerJuNez1YobG6YJzw@mail.gmail.com>
On Wed, Jul 18, 2012 at 2:40 PM, Brian K. White <brian@xxxxxxxxx> wrote:
I can't say if ssd's change the equation. ext4 may have ssd optimizations
that matter, or maybe reiser still wins even on ssd's or maybe wins if
manually configured just the right way etc.


If Reiser 3 supports fallocate, you can use the wiper script that is
part of hdparm to discard/trim the filesystem via cron.

Otherwise, you probably want a filesystem that supports fallocate at a
minimum if you want to hit SSDs hard.

If anyone knows one way or the other it would be nice to document it here:

http://en.opensuse.org/SDB:SSD_discard_%28trim%29_support

Greg
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