Open Stack

Agreed... log a bug and correct the use to the statistical weighted.

I'm giggling a bit at the image of heavy cells and hosts.


On Sat, Jun 28, 2014 at 7:00 AM, Diane Fleming <diane.fleming at rackspace.com>
wrote:

> Never ask a woman how much she weights...
>
>
> I agree - the terms should be -
> Weighting
> Weighted
>
> Adding to the confusion is the use of passive voice in the books - like
> "devices are weighted by size" - that should be reworded to something like
> "the xxx weights devices by size."
>
>
>
>
> Sent from my iPhone
>
> > On Jun 28, 2014, at 12:40 AM, "Roger Luethi" <rl at patchworkscience.org>
> wrote:
> >
> > A recent review made me wonder about how we are using weight in the
> > documentation. When OpenStack talks about weight, it doesn't mean mass
> > but a statistical property.
> >
> > Such properties, to the best of my knowledge (and a little web search),
> > are used when "weighting" the members of a class, when producing
> > a weighted average or a weighted index. But some of the OpenStack
> > documentation talks about "weighing".
> >
> > Here are some samples from nova docs:
> >
> > # During its work Filter Scheduler firstly makes dictionary of
> > # unfiltered hosts, then filters them using filter properties and
> > # finally chooses hosts for the requested number of instances (each
> > # time it chooses the most weighed host and appends it to the list of
> > # selected hosts).
> >
> > # If we speak about `filtering` and `weighting`, their work is quite
> > # flexible in the Filter Scheduler.
> >
> > In the openstack-manuals repo, I found examples that seem correct to me
> > ("Devices are weighted by size.") and others that are rather dubious
> > or clearly incorrect ("How the metrics are going to be weighed.",
> > "Hosts and cells are weighed based on the following options [...]").
> >
> > Unfortunately, the API docs are sometimes rather unhelpful, containing
> > explanations like this gem:
> >
> > #     def weight_multiplier(self):
> > #        """How weighted this weigher should be.
> >
> > Anyone else want to weigh in on this matter?
> >
> > Roger
> >
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>
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