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The goal of a load test is to uncover functional and performance problems of a system under load. Performance problems refer to the situations where a system suffers from unexpectedly high response time or low throughput. It is difficult to detect performance problems in a load test due to the absence of formally defined performance objectives and the large amount of data that must be examined. In this paper, we present an approach which automatically analyzes the execution logs of a load test for performance problems. We first derive the system's performance baseline from previous runs. Then we perform an in-depth performance comparison against the derived performance baseline. Case studies show that our approach produces few false alarms (with a precision of 77%) and scales well to large industrial systems.
Jiang et al. (Tue,) studied this question.