hard20 pts · first answer countsperformance-testingsoak-testingbottleneck-analysis

Tail latency creeping up for hours

In an 8-hour soak test of a Java service at steady load, p99 latency rises from 200 ms to 2 s. Heap usage after each garbage collection keeps climbing. What is the most likely cause?

A.The load generator's clock drifting over timeB.Normal warm-up of the JIT compiler during the runC.The test data file running out after the first hourD.A memory leak that makes GC pauses longer and longer

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Tail latency creeping up for hours

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