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by evanelias 3552 days ago
30 concurrent connections is a very low number, compared to uses of MySQL/InnoDB at real scale. What happens at higher numbers?

I am not arguing that "concurrent = fast". My point is real systems have a higher level of concurrency as a baseline.

InnoDB supports granular concurrent access because real workloads need this. Systems that have poor stories around concurrency -- MyISAM, Redis, pre-WiredTiger MongoDB -- definitely hit real scalability issues under high-volume workloads.