You could put the variables in ZooKeeper and then they would be shared :)

ben

On Friday 12 October 2007, Owen O'Malley wrote:
> On Oct 11, 2007, at 9:54 PM, James Yu wrote:
> > I put all user global variables in a class I called MyGlobals.
>
> Since map/reduce is distributed in general, you should be careful of
> using global variables. I find it to be better practice to keep all
> of the state variables in either the Mapper or Reducer itself to
> remind myself that it is _not_ shared between Mappers, Reducers, and
> the launching program.
>
> -- Owen


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