On Wed, May 11, 2011 at 12:12 AM, Ugorji <ugo...@gmail.com> wrote:
>
> Hopefully, the new scheduler will iron out a lot of these unknowns so we're
> back to being happy app-engine users.


In the future if Google's scheduler is not optimal, you will be
charged for it. What is the incentive to get it right? How will you
know it is right?

Here's another perverse incentive: under the current scheme memory
usage is used as an input to the scheduler as well as latency and
start-up time. Apps which use less memory can have more instances at
the same resource cost to Google. My incentive is to optimise memory
usage. Under the upcoming scheme you are charged per-instance, so
there is zero incentive to optimise memory usage.

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