Re: OOM killer on bapp02 again

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On Mon, Mar 16, 2015 at 01:38:41PM +0100, Pierre-Yves Chibon wrote:
> On Mon, Mar 16, 2015 at 06:31:17AM -0600, Kevin Fenzi wrote:
> > On Mon, 16 Mar 2015 10:08:28 +0100
> > Adrian Reber <adrian@xxxxxxxx> wrote:
> > 
> > > On Fri, Mar 13, 2015 at 07:16:44AM -0600, Kevin Fenzi wrote:
> > > > We could do this... however at this point, I think I'd like to just
> > > > push to get mm2 out in production. I'm sure it will have issues too,
> > > > but at least they will not be this one hopefully. ;) 
> > > 
> > > So what is actually necessary to get MM2 out? As I am probably one of
> > > the few users of the MM2 administrative functions maybe I can help to
> > > get the last missing bits of MM2 ready.
> > 
> > That would be great. ;) 
> > 
> > I would really love to get MM2 fully rolled out before Beta freeze if
> > we can. 
> > 
> > For the mirrorlist servers: 
> > 
> > * We need a /etc/tmpfiles.d/mirrormanager2-mirrorlist.conf file with: 
> > d /var/run/mirrormanager 0775 mirrormanager apache
> > in it. 
> 
> I need to fix the spec file for this
> 
> > * Then I think we can convert all the mirrorlists over to it. The one
> >   we have had in rotation has been just fine. In fact it's had a lot
> >   less issues than the mm1 ones. ;) 
> > 
> > For the frontend:
> > 
> > * We have a stg setup: 
> > https://admin.stg.fedoraproject.org/mirrormanager2/
> 
> Note: I had to restart apache on it this morning, I didn't see anything in the
> logs but as I was away last week I don't if that was expected or not.
> 
> > Can you login and look around and see if the data/setup seems ok from a
> > high level glance?

Is it running on the same data as the production instance or has the
data been imported a few weeks ago? Is there a way I can trigger a
re-import if the content of DB is a few weeks old?

> One point where you might be of great help is with testing the xml-rpc endpoint.
> It should be 100% backward compatible (but I let you guess what the keyword is
> in that sentence :)).

The RPC URL would then be

https://admin.stg.fedoraproject.org/mirrormanager2/xmlrpc

right?

> > For the backend: 
> > 
> > * I think we need some more testing, but I am not at all sure how to do
> >   this. If we do switch over to it, we could have some time to fix
> >   things on it, as discovering updates and new rawhide composes and
> >   such isn't super time critical, but we would have to make sure it
> >   works in a day or so. 
> > 
> > * We need to finish fedmsg stuff on it. It's still sending some crons
> >   where it's erroring on fedmsg items. We need to sort that out before
> >   rolling to production. 
> > 
> > For the crawler: 
> > 
> > * We have a staging instance, but I am not sure what state it's in. 
> > Perhaps we could check this and make it crawl for a day as a test? 
> 
> In theory it should crawl, in practice I didn't check if it does so correctly.

How can access the MM2 crawler machine to check the crawler output. Can
I also get access to manually start the crawler for testing?

> > For the big picture: 
> > 
> > * We can switch mirrorlists anytime. 
> > * For frontend/backend/crawler, we should make production versions of
> >   them and then look at scheduling a day when many of us can be around
> >   to debug things, switch over to using them and in the event of big
> >   problems revert back to mm1. 
> 
> The DB schema changed a little but not enough that going forth and back would be
> a big problem imho (and we could also copy the mirrormanager db into a
> mirrormanger2, making the rollback even easier).


		Adrian

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