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@oldbam: I have no idea about your loadbalancer configuration. Does it do persistence session (sticky loadbalancer) or just round-robin ? Does your web application shares the user's sessions ? In high availability manner ? All these questions will determine the type of performance test configuration: Web application (high availability) this means the ...


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Ideally, you will need to have an isolated test environment for several reasons: limit the performance related variables to minimum e.g., network latency, IO This allows you to identify the bottleneck easily. as mentioned by Rsf, you can repeat the run and averaging how the value. The cost of analysing the data might be more expensive than the setup cost ...


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Taking user246 answer one step forward- it is usually best to run performance tests multiple times and average the results, taking a look at the standard deviation. Most of us test complex systems where performance is not 100% repeatable and is affected by many semi-random variables and processes. The trick part is deciding on the magic number of how many ...


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If others are using the system at the same time, you may want to run multiple performance tests are different times of day to average out the spikes you mentioned. Your performance test may interfere with functional testing. Most applications have configuration settings. You probably want to know what performance-sensitive settings are in effect during ...



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