DM-39552: Generate less data when summarizing flocks #282
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Previously, to generate a flock summary, mobu first converted all information about the running monkeys to output data structures and then added up success and failure counts from those. Because of the huge amount of timing data that mobu gathers, this took long enough (and is not async, so it blocks everything else) that other in-progress calls timed out. It also meant that the summary end point appeared to hang.
Avoid this by reading the success and failure counts directly from the running monkey business, avoiding the need to dump and thus convert their data. This is a temporary fix until the way that timing data is stored can be overhauled.