Re: [FBR 1/1] Enable new mirrorlist server on proxy14

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On Wed, Oct 16, 2019 at 10:02:09AM -0700, Kevin Fenzi wrote:
> On Wed, Oct 16, 2019 at 10:50:09AM +0200, Adrian Reber wrote:
> > After a successful test of the new mirrorlist server code in staging,
> > this is the next step. Try to make it work in production on one of the
> > proxies. As discussed on the mailing list we are trying the new setup
> > with proxy14.
> > 
> > All the conditionals have been updated to be 'staging or proxy14' and
> > the mirrorlist data generation has been enhanced to also write out the
> > new protobuf based format on the backend system.
> > 
> > At the same time this moves the pickle/protobuf generation from :55 to
> > :30 as this generation takes much longer than it used to be and the
> > mirrorlist server restarted at :15 was never using the new data during
> > the last few months.
> 
> Bummer. Is the protobuf faster than the pickle? Or are they about the
> same...

The database queries are the problem. During DB query time it is running
with 40% CPU. Once it has all the data from the CPU it runs with 100%.
Reading all the trouble you currently have with koji I am sure you are
thrilled to hear that the DB is also slow for this. The generation of
pickle or protobuf makes not difference as far as I can tell (at least
compared to the DB query time).

> +1 here. 

Thanks.

		Adrian

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