On Wed, Aug 26, 2020 at 08:34:32PM +0200, Alberto Garcia wrote:
> On Tue 25 Aug 2020 09:47:24 PM CEST, Brian Foster wrote:
> > My fio fallocates the entire file by default with this command. Is that
> > the intent of this particular test? I added --fallocate=none to m
On Tue, Aug 25, 2020 at 07:18:19PM +0200, Alberto Garcia wrote:
> On Tue 25 Aug 2020 06:54:15 PM CEST, Brian Foster wrote:
> > If I compare this 5m fio test between XFS and ext4 on a couple of my
> > systems (with either no prealloc or full file prealloc), I end up seeing
> &
On Tue, Aug 25, 2020 at 02:24:58PM +0200, Alberto Garcia wrote:
> On Fri 21 Aug 2020 07:02:32 PM CEST, Brian Foster wrote:
> >> I was running fio with --ramp_time=5 which ignores the first 5 seconds
> >> of data in order to let performance settle, but if I remove that I ca
On Fri, Aug 21, 2020 at 02:12:32PM +0200, Alberto Garcia wrote:
> On Fri 21 Aug 2020 01:42:52 PM CEST, Alberto Garcia wrote:
> > On Fri 21 Aug 2020 01:05:06 PM CEST, Brian Foster
> > wrote:
> >>> > 1) off: for every write request QEMU initializes the cluster (64KB)
On Fri, Aug 21, 2020 at 01:42:52PM +0200, Alberto Garcia wrote:
> On Fri 21 Aug 2020 01:05:06 PM CEST, Brian Foster wrote:
> >> > 1) off: for every write request QEMU initializes the cluster (64KB)
> >> > with fallocate(ZERO_RANGE) and then writes the 4KB of da
On Fri, Aug 21, 2020 at 07:58:11AM +1000, Dave Chinner wrote:
> On Thu, Aug 20, 2020 at 10:03:10PM +0200, Alberto Garcia wrote:
> > Cc: linux-xfs
> >
> > On Wed 19 Aug 2020 07:53:00 PM CEST, Brian Foster wrote:
> > > In any event, if you're seeing unclear or unexp
On Wed, Aug 19, 2020 at 05:07:11PM +0200, Kevin Wolf wrote:
> Am 19.08.2020 um 16:25 hat Alberto Garcia geschrieben:
> > On Mon 17 Aug 2020 05:53:07 PM CEST, Kevin Wolf wrote:
> > >> > Or are you saying that ZERO_RANGE + pwrite on a sparse file (=
> > >> > cluster allocation) is faster for you
