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by dkhenry 1846 days ago
There is a fairly robust set of benchmarks that are run to test out performance improvements[1] and macro benchmarks are the ultimate test of holistic improvement. CPU isn't a great proxy, but one of the biggest problems in real world performance on this specific system ( databases in general ) is latency. CPU time is a really good proxy for latency so by taking a look at CPU time we can get an idea of how the system will respond under "normal" conditions.

1.https://benchmark.vitess.io/macrobench