Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/2938
It would also be good to have a set of well selected end-to-end IT cases.
But Timo is right, the previous approach of starting a mini cluster for each
test case was too expensive to maintain. The collection execution is not
perfect (combiners, parallelism, semantic annotations, ...), but sufficient for
most cases.
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