On Sun, 11 Apr 2010 18:03:00 +0300, Avi Kivity <a...@redhat.com> wrote: > On 04/09/2010 05:56 PM, Ben Gamari wrote: > > On Mon, 29 Mar 2010 00:08:58 +0200, Andi Kleen<a...@firstfloor.org> wrote: > > > >> Ben Gamari<bgamari.f...@gmail.com> writes: > >> ext4/XFS/JFS/btrfs should be better in this regard > >> > >> > > I am using btrfs, so yes, I was expecting things to be better. > > Unfortunately, > > the improvement seems to be non-existent under high IO/fsync load. > > > > btrfs is known to perform poorly under fsync. > Has the reason for this been identified? Judging from the nature of metadata loads, it would seem that it should be substantially easier to implement fsync() efficiently.
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