Number of items whose outcome reported ok: false (errors, including throttles).
The cap value at the end of the run (where AIMD converged for this batch).
The highest number of fn invocations observed in flight at once during the run.
Total items processed (always equals items.length).
Number of items whose outcome reported ok: true.
Number of outcomes that reported throttled: true.
Aggregate result of a RunAdaptive pass over a batch of items.