yum-presto not on by default
Toshio Kuratomi
a.badger at gmail.com
Thu Sep 24 14:05:33 UTC 2009
On 09/23/2009 10:05 PM, Bill Nottingham wrote:
> Jonathan Dieter (jdieter at gmail.com) said:
>> The second one has to do with the fact that when rebuilding the rpms, we
>> have to recompress the data, and xz compression is over 10x slower than
>> gzip.
>
> Stats of the day...
>
> I took an existing xz-compressed RPM, and built a newer release of that
> package with varying xz levels. The numbers are:
>
> - the new package size at that XZ compression level
> - the time to create a new deltarpm from a delta to that new version
>
One further question -- where does libz compression fit into these stats?
-Toshio
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