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Hadoop >> mail # general >> Defining Hadoop Compatibility -revisiting-


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Re: Defining Hadoop Compatibility -revisiting-

On May 13, 2011, at 3:53 PM, Ted Dunning wrote:

> But "distribution Z includes X" kind of implies the existence of some such
> that X != Y, Y != empty-set and X+Y = Z, at least in common usage.
>
> Isn't that the same as a non-trunk change?
>
> So doesn't this mean that your question reduces to the question of what
> happens when non-Apache changes are made to an Apache release?  And isn't
> that the definition of a derived work?
Yup. Which is why I doubt *any* commercial entity can claim "includes Apache Hadoop" (including Cloudera).