On Mon, Mar 21, 2011 at 01:21:38PM +0000, Alberto Ruiz wrote:
> What is the reasoning behind this move? Just storage savings? It seems
For xz:
1) Much faster download
2) Much smaller
3) Doesn't use a lot of memory when decompressing (9MB)
4) Uncompress speed seems similar to bz2 (as in: don't notice a
difference).
> to me that it will actually be easier to request our sponsors
> (RedHat/Novell/Oracle...) for more storage than pushing everyone into
> the pain of having to deal with such unfamiliar format. We are
Could you expand on the pain?
> releasing .gz and .bz2 at the same time at the moment. Getting rid of
> .gz would be reasonable, bz2 is supported everywhere for many years,
> whereas .xz, well, is the first time I hear about it. We cannot assume
> that the change won't have an impact just because most modern Linux
> distros have packages to support the format.
I won't assume, I'm in no hurry. Nothing will happen before I fully
understand implications and everyone is aware (d-d-l is just to plan;
not to check impact).
> I am not trying to criticise the effort rather than trying to
> understand why is this such a big win.
Various reasons:
1) Way less storage space required
2) Everything stored needs to be backed up
Seems simple, but a lot of the new machines we have are not backed
up.
3) Less storage means quicker backups
4) Total size of ftp.gnome.org will mean how many people will be able to
mirror it
5) I want more mirrors in different continents
ATM, we have 1. I'd like around 5, but that means 5 times the current
bandwidth. Which is free, but slow (USA->.nl)
6) Xz makes 'install-module' *much* slower; only one format would
alleviate it a bit
But mostly:
1) I'm still investigating / it is still being planned
2) If every problem can be solved, I don't see why not (#4)
3) Currently, I think most users of ftp.gnome.org are either packagers,
or developers.
4) I understand it will have an impact, but from my current
understanding of the tarball users, I don't believe it it an
inconvience
Seems easier switch than CVS->SVN->Git.
5) Already in use
From what I noticed, GNU already is .xz only
6) Open to feedback
ATM I haven't noticed anything major; though:
*) have to await the more details about Solaris
*) didn't ask for feedback
7) I'm in *no* hurry.
--
Regards,
Olav
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