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Conclusion: Based on the tests documented below, the Infinispan backends do not seem to have a problem with a lack of hierarchy (at least within the tested ranges). The hypothesis was that we'd see a significant slowdown around the ten thousand object mark, but the tests below seem to scale to the 30k object mark without significant slowdowns. The tests below were run with benchtool's the default object size (1 KB) and, a second time, with 2 MB objects. A test with 500k records was attempted, but was not able to be completed. The result of the last attempt was a ticket to investigate an ExecutionError.
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