Running mash in Koji

Mathieu Bridon bochecha at
Wed Oct 2 03:53:35 UTC 2013

Hi, and thanks for the feedback Kevin,

On Thu, 2013-09-26 at 10:32 -0600, Kevin Fenzi wrote:
> On Tue, 24 Sep 2013 12:38:44 +0800
> Mathieu Bridon <bochecha at> wrote:
> > 1. What would be an appropriate weight for this new task?
> > 
> > At the moment I'm just using the default, but given that mashing can
> > be quite intensive, it might be better to increase that. I have no
> > idea on what would be the right number, though.
> Yeah, not sure either... but I wonder if it wouldn't make sense to make
> this it's own channel so it could go to specific builders. 
> In the Fedora case we would want that as our mashes are very memory
> intensive (mostly due to deltarpm generation), so if somehow an arm
> builder got it, not sure how long it would take it to finish (if ever). 

Good point, I'll work on that.

> > 3. What to do with the output?
[... snip ...]
> Not sure. For some data to toss in tho, a current rawhide mash takes
> up about 163GB. Branched f20 is currently around 153GB. 
> So, in addition to the question of if it should try and upload to the
> hub or not, it needs to make sure and have enough local working space
> to hold all that (unless it's writing to a rw /mnt/koji for that). 

So first of all, do the Fedora builders have that kind of space

Mike, given the above, do you still think uploading is the best path



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