Hole Punch..... That was nice one Greg!!! I would rather try fallocate. On Fri, Aug 5, 2011 at 9:14 PM, Greg Freemyer <greg.freem...@gmail.com>wrote:
> Apologies for the top post. I simply forgot to not do that. > > On Aug 5, 2011 8:11 AM, "Greg Freemyer" <greg.freem...@gmail.com> wrote: > > > > There are no "specs" as to how a sparse file is handled in response to > writes. > > > > Sparse is mostly beneficial when the holes are very large. > > > > If an app really wants to have minimal on disk space, you should > pre-allocate space with fallocate. > > > > You may even need to hole punch after the writes. Both xfs and ext4 > support both fallocate and hole punching. (I don't know the userspace call > to hole punch. I think its a relatively new feature for ext4.) > > > > Greg > > > > On Aug 4, 2011 10:16 PM, "Ashish Sangwan" <ashishsangw...@gmail.com> > wrote: > > Greg >
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