Re: QEMU policy for real file tests

[Peter Maydell]

On Thu, 17 Sep 2020 at 14:04, Thomas Huth <thuth@redhat.com> wrote:
>
> On 17/09/2020 14.06, Christian Schoenebeck wrote:
> [...]
> > Final question: if at some later point one large file needs to be created 
> > for
> > some test case, is there some approximate size limit to stay below for not
> > causing issues with free CI cloud services?
>
> FWIW, I know that 4G is already too big for some containers on Travis,
> see commit 178d383f10e15f5e5a7.

Yes. Also "it's sparse" doesn't always help -- eg on OSX there is
no sparse-file support so a 4GB file really does take 4GB even
if it's mostly zeroes...

thanks
-- PMM