[Rpm-maint] Rpm Database musings

[Ales Kozumplik]

On 03/04/2013 12:23 PM, Michael Schroeder wrote:
> On Mon, Mar 04, 2013 at 12:19:34PM +0100, Ales Kozumplik wrote:
>> On 03/04/2013 11:21 AM, Michael Schroeder wrote:
>>> Actually libsolv can do a "incremental" update if it has an old
>>> solv file available, i.e. it takes the unchanged content from the
>>> old solv file and only queries new headers from the rpm database.
>>> Ales doesn't yet use this in method in hawkey.
>>
>> Didn't know about it but it will become relevant once optimizing DNF load
>> time is relevant. Also, can libsolv do the same for the XML metadata?
>
> No, but there's no way to do "random access" for the xml data
> anyway, we always have to parse it completely.
>

Indeed. Some more stuff to think of when inventing the "delta" metadata 
format.

Ales