[HCoop-Discuss] useful reading

[Nathan Kennedy]

Besides bandwidth & disk space, memory and CPU-slices are also resources,
which are used by those who run daemons, busy dynamic websites, or even
"heavily exercise" IMAP, etc.

All these are things that cause us to outgrow servers, in addition to
bandwidth and diskspace, and in fact I think were dominant in us straining
fyodor.

I think it makes a lot of sense to measure usage and bill much heavier
users more, at some point.  Any scheme will be arbitrary at some level,
since there are an infinite number of ways to split costs according to
any, all, or none of these metrics.  Right now we're choosing to bill
evenly regardless of utilization.

-ntk

> On Tue, Jun 05, 2007 at 06:16:58PM +0000, j.c.hallgren at juno.com wrote:
>> My perspective is (and has been) that we are having to have a much
>> larger fixed cost due to the heavy users requirements and thus that
>> usage has an impact, (maybe slight), on the smallest users...yes, we
>> need more disk and bandwidth to handle growth, but a heavy new user
>> may take as much resources as 5 or 10 more typical users, so...not
>> sure how best to handle the issue...other than maybe have some
>> surcharge for members who use some multiples (10x or more?) of the
>> "normal" member...
>
> This is partly what I was getting at. There will always be differences
> in usage and it's a waste of time to try to lock it down or bean-count
> to the last buck. However, if we need to put in another disk, it's
> very unlikely a user like me will be the cause of it. Should I then
> contribute anything for the new disk? If that only costs $5-10 per
> member, it's hard to complain, but then a few people are getting a
> majority to pay for hardware just for their use.
>
> So, if there's a disk expansion in the future, or we need to bump up
> the bandwidth, then I'd like to check the spread of usage at that
> time. If less than 10% of the group, or especially less than 5%, are
> using most of the extra resources, I think it's fair that the small
> percentage pay for the upgrade and the member base not be charged.
>
> --
> Michael Potter
> mpotter at hcoop.net
>
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