Hi,

Is there any way in which you can ensure that 2 distinct operators will be 
executed on the same machine?
More precisely what I am trying to do is to have a window that computes some 
metrics and will dump this locally (from the operator not from an output sink) 
and I would like to create independent of this (or event within the operator) a 
stream source to emit this data. I cannot

The schema would be something as below:

Stream ->  operator   -> output
                    |
                  Local file
                      |
                    Stream source -> new stream

.=> the red items should go on the same machine

Dr. Radu Tudoran
Research Engineer - Big Data Expert
IT R&D Division

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