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Re: [Qemu-devel] [PATCH] link to .xz files to save some bandwidth
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH] link to .xz files to save some bandwidth |
Date: |
Wed, 8 Feb 2017 07:44:09 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
On 02/08/2017 02:49 AM, Markus Armbruster wrote:
> Eric Blake <address@hidden> writes:
>
>> On 02/07/2017 09:59 AM, Paolo Bonzini wrote:
>>> I have converted all .gz and .bz2 files to .xz on download.qemu.org
>>> and this patch would change the links in the website. This would save
>>> about 5 GB of bandwidth every day (about 20% savings).
>>>
>>> xz should be available for all platforms. Besides providing better
>>> compression ratios, decompression of .xz files is about twice as fast
>>> compared to bzip2. Compression instead is about 5.5 times slower.
>>
>> I agree that bzip2 is pointless these days; .gz is a bit more important
>> when targetting older platforms but I think that does not describe
>> qemu's target audience. Do we want to even enter the xz vs. lzma
>> controversy, or are we okay with being xz-only?
>
> Pointer to / summary of the controversy, so that folks can decide
> whether they care?
Here's a big thread on the coreutils list, where I proposed a patch to
add lzip distribution alongside xz, but where the patch was more-or-less
dropped due to the debate that ensued:
https://lists.gnu.org/archive/html/coreutils/2017-01/threads.html#00008
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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