Delayed deployment of InfoSphere Streams Operators and Runtime ‘tags’ deployment

I’d like to know if two functionalities are available in infosphere streams, but I could not find it anywhere else.

1) To the best of my knowledge, when an InfoSphere Streams Application starts, all of the operators are deployed on the hosts in the cluster. Is it possible to **deploy** specific operator per results of previous Operator(s)? So that the deployment is happening **during** a job (and not only when a host fails).

2) Also, to the best of my knowledge, tags exists which allow specifying which Operators will be deployed to which hosts. Is it possible to change hosts tags during a Job runtime?
Adding to question (1), is it possible that on runtime, I will deploy an Operator to a specific machine based on computations that occurred during the job?



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