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SubjectRe: [kernel.org mirrors] XZ Migration discussion
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H. Peter Anvin (hpa@zytor.com) wrote on 11 February 2010 11:48:
>On 02/11/2010 10:36 AM, J.H. wrote:
>>
>> Option 1)
>>
>> Leave gz as the master, and migrate bz2 to xz. This will happen in
>> stages obviously. with bz2 ultimately being phased out.
>>
>> Migration option 1)
>>
>> All new content would be provided in .bz2 and .xz with
>> an ultimate date set that the .bz2 files would stop
>> being generated with new content. This would leave all
>> existing content alone and it would not be a migration
>> of the current .bz2 files to xz
>>
>> Migration option 2)
>>
>> At some point there would be a mass conversion of all
>> existing content to include .bz2 and .xz. These would
>> be run in parallel for a time period until it was
>> determined that .bz2 was no longer needed and it would
>> be removed from the servers leaving .gz and .xz
>> Option 2)
>>
>> Convert the master data from gz to bz2 and use xz as the new file
>> format. This has the downside of causing more tool churn as it means
>> the kernel developers will have to eventually convert from gz to bz2,
>> which means for a time there will be nag e-mails if you upload gz
>> instead of bz2 and such. It would also mean that we (kernel.org) would
>> need to be able to support .gz and .bz2 as master data for a time.
>>
>> Migration options are identical to Option 1 more or less, with either
>> just new content getting converted, or all content getting converted.
>
>My personal recommendation would be for Option 1, Migration option 2.

Agreed (speaking for the ftp.br.kernel.org mirror).


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