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Displaying posts with tag: stalls (reset)

on performance stalls
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We quite often say, that benchmark performance is usually different from real world performance – so performance engineering usually has to cover both – benchmarks allow to understand sustained performance bottlenecks, and real world analysis usually concentrates on something what would be considered ‘exceptional’ and not important in benchmarks – stalls of various kind. They are extremely important, as the state when our performance is lowest is the state of performance we provide to our platform users.

On a machine that is doing 5000qps, stalling for 100ms means that 500 queries were not served as fast as they could, or even hit application timeouts or …

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