Re: Status of deb(5) format support in Debian
On Wed, Jul 31, 2013 at 06:24:32PM +0200, Guillem Jover wrote:
> [...] in preparation to add non-gzip compression support for control.tar
May I ask why would you want that?
There's a lot of extra complexity, incompatibility with existing tools,
added moving parts... and I'm not aware of any gain.
xz, while vastly superior to gzip and bzip2 for bulk data, suffers from
slow start: for files a few tens of kilobytes or smaller, xz compresses
worse than gzip. Thus, control.tar.xz is hardly ever a good idea.
On the other hand, control files compress pretty well, so you want _some_
form of compression. For files this small, CPU costs are totally
negligible.
Thus, with .tar.gz being either the best or very close to the best,
what would be the point of this change?
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