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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