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To determine the performance of the system following objectives to be calculated. 1) Response time -: The time in which system responds to a transaction i.e., the time interval between submission of request and receiving response. 2) Think time -: Time taken to select new transaction after response for previous transaction is received. 3)Workload-: Work submitted to system by end user. 4)Throughput-:No of transactions done per unit time. 5) Transaction mix -: In every applications ,certain transactions are executed more frequently than others this varying execution frequency of various transaction type creates transaction mix
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