Speedup the availability of updates (was: Re: Push scripts, mash) pushes in Bodhi (urgent call for feedback))

[Mike McGrath]

On Fri, 5 Mar 2010, Bill Nottingham wrote:

> Till Maas (opensource at till.name) said:
> > I have some ideas to speedup the availability of updates. Are there any
> > reasons except that the tools to do this do not exist yet, to switch to
> > this? I created a wiki page for this:
> > https://fedoraproject.org/wiki/User:Till/update_availability_speedup_ideas
>
> It seems to be missing something - it says 'all rpms that are not included
> in the prior metadata will be deleted', but there's nothing in that proposal
> as written that will cause rpms to fall out of the metadata.
>
> With respect to hardlinks, the updates repos that are created *are*
> hardlinks (to the koji packages); the only copying that's involved is
> pushing them from the koji storage to the mirror storage.
>

Side note about this, it's a 10T ext3 filesystem exportetd via nfs.  Does
anyone happen to know if hardlinking is particularly expensive in this
setup?  We're doing profiling and things and haven't actually tested this
yet but I thought I'd ask.

	-Mike