Re: [PATCH] Use yum's new callback mode when available

[seth vidal <skvidal fedoraproject org>]

On Fri, 2011-03-11 at 09:06 +0200, Panu Matilainen wrote:
> On 03/10/2011 09:31 PM, Chris Lumens wrote:
> >> Detect whether yum supports the new headerless callback mode and
> >> enable if available, so we save memory if possible but allows
> >> anaconda to work with any old yum version. Once the new mode is more
> >> widely available, the cruft for the old mode can hopefully be removed.
> >> ---
> >>   pyanaconda/yuminstall.py |   50 +++++++++++++++++++++++++--------------------
> >>   1 files changed, 28 insertions(+), 22 deletions(-)
> >
> > I'll push this for master now.  I still need to decide what to do about
> > f15-branch, though.
> 
> Well, the yum version currently in f15 doesn't have the new callback 
> mode so right now there's no benefit other than getting real-world 
> testing that the patch really works for both modes.
> 
> OTOH anaconda is the thing doing the biggest installs and upgrades of 
> all and would benefit the most from the new callback and other 
> "header-avoidance" fixes that have gone into yum recently.
> 
> Seth, are you planning on pulling an updated yum version into F15? (it 
> would help reduce memory use on upgrades even if anaconda didn't switch 
> to the new callback in f15)
> 

potentially. I didn't do it in the week before alpha b/c I didn't think
it wise to break everyone's stuff right before the alpha.

-sv