Github user patricker commented on the issue:
https://github.com/apache/nifi/pull/3131
@markap14 I built unit tests, but I'm having trouble running them at scale.
I temporarily checked back in the original method so I could run side-by-side
speed comparisons on the same `Connectable`. But if I exceed about 100k tests
my unit tests seem to go out to lunch, even if I increase heap so they don't
run out.
These are checked in right now to run 1 million iterations, but that has
not succeeded for me... This is true of the unmodified method if run by itself
also (at least on my poor little computer).
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