To semi-rolling or not to semi-rolling, that is the question...

Tom Lane tgl at redhat.com
Fri Mar 5 04:40:02 UTC 2010


Doug Ledford <dledford at redhat.com> writes:
> Limitations, yes.  Current state, no.  You can't make a policy to do the
> impossible and expect it to just happen.  But you *can* make a policy to
> do the very hard and seemingly impossible and make it happen.  To that
> end I reference the fact that man has in fact been to the moon and it
> was a policy mandate by two competing governments that caused us (as a
> species) to do the work to get there.

Correction: it was a policy mandate plus the expenditure of a lot of
billions of dollars that got us to the moon.

>> It doesn't make 
>> sense to enact a policy which cannot be realized due to technical 
>> limitations, or whose realization causes unsolvable problems. The technical 
>> details are essential.

> You only need enough details to know that it isn't impossible, not
> enough to know the exact route to get to the end goal.

You also need the resources to make it happen.  A mandate from FESCO
is not worth diddly-squat unless FESCO is prepared to do the work.

			regards, tom lane


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