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[Chris Behrens <cbehrens@xxxxxxxxxxxx>]

I am not understanding why there are secondary joins defined in the models.  I suspect this might break other things, but maybe you can test that this at least makes the scheduling faster:

http://paste.openstack.org/show/32534/

That seems to generate a much more acceptable query.

- Chris


On Feb 25, 2013, at 9:40 PM, Sam Morrison <sorrison@xxxxxxxxx> wrote:

> 
> On 26/02/2013, at 4:31 PM, Chris Behrens <cbehrens@xxxxxxxxxxxx> wrote:
> 
>> After thinking more, it does seem like we're doing something wrong if the query itself is returning 300k rows. :)  I can take a better look at it in front of the computer later if no one beats me to it.
> 
> Yeah I think it's more than a missing index :-)
> 
> The query does 2 INNER JOINS on aggregate_hosts then 2 INNER JOINS on aggregate_metadata then does a further 2 LEFT OUTER JOINS on aggregate_hosts.
> Thanks for the help,
> Sam