[Yum-devel] how long to hold on to a mirrorlist

[seth vidal]

On Mon, 2007-07-02 at 11:34 -0500, Michael E Brown wrote:
> On Mon, Jul 02, 2007 at 01:56:38AM -0400, seth vidal wrote:
> > Hi folks,
> >  I was working on some changes to download and save the mirrorlists to a
> > file in each repo dir so we can draw from there instead of always having
> > to hit the network, like with -C or with a user-call. Anwyay - I was
> > wondering what people thought we should use as enough time to avoid
> > hitting the mirror? Is the metadata_expire time a reasonable default to
> > use for the mirrorlist, too or should we define another config option
> > for mirrorlist expiration?
> > 
> > welcome to hear preferences.
> 
> I can see two approaches:
> 
>   1) Use the http status codes to handle cache control. ie. I can add an
>   expires: header to my output, and you could honor that. If no expiry
>   header is given, default to a reasonable value (1 week?)

not all mirrors are http nor all mirrorlists.


>   2) change mirrorlist format to include an expiry parameter
>   (mirrorlist.xml?)

oh dear, let's not - especially not in this branch.

-sv